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A German town built a granary atop its Jewish cemetery. Now the bones are yielding insights about Ashkenazi DNA.
BERLIN (JTA) – The city of Erfurt in central Germany is home to an impeccably restored medieval synagogue made possible because local Jews had been expelled long before the Nazis began their campaign to destroy Jewish sites.
Now, Erfurt’s long-hidden Jewish past is again offering new insights — this time about the genetic history of Ashkenazi Jews.
Human remains from a medieval Jewish cemetery in Erfurt have allowed what researchers say is the largest ancient Jewish DNA study to date. Conducted without disinterring any remains, in keeping with Jewish law, the study published Wednesday in the scientific journal Cell found that Erfurt’s medieval Jewish community was more genetically diverse than their modern-day cousins, and carried many of the same Jewish genetic diseases — such as Tay Sachs and cystic fibrosis — that affect Ashkenazi Jews today.
“There have been many previous DNA studies, but not of Jews,” said geneticist Shai Carmi, a professor at the Hebrew University of Jerusalem, whose search for study material led him to an archaeological dig at the Jewish cemetery in Erfurt. He and his collaborators were able to analyze DNA of 33 individuals who died between 1270 and 1400, using teeth they found there.
The study follows a similar analysis revealed in August by researchers in England, who studied the DNA from skeletons found at the bottom of a medieval well and concluded that the remains were likely of victims of an antisemitic massacre in 1190. Analysis of six individuals prior to their identification as Jewish revealed that Ashkenazi Jews developed a unique genetic variation centuries earlier than realized.
The Erfurt analysis also includes samples from before the epidemic of Black Death that was until recently understood to have created the genetic “bottleneck” that created the genetic markers common among Ashkenazi Jews today.
Erfurt’s Jewish settlement existed from the 11th to 15th century, with a brief gap following a 1349 massacre perpetrated after the Jews were falsely blamed for causing the bubonic plague. Surviving Jews returned there, but after all Jews were expelled once and for all in 1454, the city built a granary on top of the Jewish cemetery.
Karin Sczech participates in the excavation at the medieval Jewish cemetery of Erfurt. (Courtesy of TLDA Ronny Krause)
In 2013, the city approved the repurposing of the unused granary into a parking lot. Because it was an historic site, a rescue excavation was initiated, overseen for the State of Thuringia by German archaeologist Karin Sczech.
Meanwhile, Carmi had been looking for Jewish cemeteries anywhere in the world “where we could analyze remains already excavated,” he told JTA in a telephone interview from Jerusalem. “I consulted historians and eventually reached the archeologist in Erfurt.” Fortunately, he said, “they still hadn’t reburied the remains.”
He approached Sczech, who later became a co-author of the new study. In 2018, with a supportive judgment from Rabbi Ze’ev Litke — an Israeli expert on genetics and Jewish law — and permission from Erfurt’s then-rabbi, Benjamin Kochan, work began to extract and analyze DNA from detached teeth found in the graves. (About 500 Jews live in Erfurt today, most of them having migrated from the former Soviet Union since 1990.)
American geneticist David Reich picked up the teeth and brought them back to the department of human evolutionary biology at Harvard University in Cambridge, Massachusetts, where drilling and DNA extraction took place.
While the skeletons were reburied, the teeth are still stored at the research institutes where they have been analyzed, in case scientists need to retest to verify the result.
The project provides an ethical basis for studies of ancient Jewish DNA, Carmi said. “Of course we couldn’t just go to a cemetery and dig and take out skeletons; this would be prohibited,” he said, referring to Jewish law prohibiting the removal of bones from where someone was buried.
But Litke opined that the study could be done, because the bones already had been disturbed for an unrelated reason. “He recommended using teeth, as the analysis does almost no damage,” Carmi said.
There are many motivations to study Jewish DNA: One can find lost relatives going back a few generations, and answer questions about Jewish origin of partners intending to marry. But the goal of Carmi’s team was “to fill the gaps in our understanding of Ashkenazi Jewish early history.”
There are several non-destructive ways to obtain DNA from human remains, said Carmi, who also works as a consultant to an Israeli firm that helps clients trace their genetic roots.
“You can take an almost microscopic slice of bone and extract DNA in a solution, or put the entire bone in a solution and extract the DNA without drilling, without disturbing the dead. This opens the way to doing studies even without teeth,” he added.
His team found that the Erfurt community appeared to fit into two genetically distinct groups, descending either from Middle Eastern or European populations. This genetic variability no longer exists, Carmi said.
At the same time, Carmi said, the analysis found remarkable continuity in the local community, as well. “One third of the Erfurt individuals descended from one woman through their maternal lines,” he said, adding that evidence suggested that she lived between 1,000 and 2,000 years ago.
In a press statement, geneticist Reich of Harvard said the work “also provides a template for how a co-analysis of modern and ancient DNA data can shed light on the past. Studies like this hold great promise not only for understanding Jewish history, but also that of any population.”
The research team, with more than 30 scientists, included Hebrew University’s Shamam Waldman, a doctoral student in Carmi’s group, who performed most of the data analysis.
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Milei praises ‘Judeo-Christian values’ at Chabad event as Argentina courts European Jews
(JTA) — BUENOS AIRES — Argentine President Javier Milei exalted “Judeo-Christian values” on Monday as he spoke to a crowd of 1,800 people celebrating the 32nd anniversary of the death of the last Chabad-Lubavitch rabbi.
Milei was the keynote speaker at the Hasidic Orthodox movement’s event marking the yahrzeit of Rabbi Menachem Mendel Schneerson, becoming what appears to be the first sitting non-Jewish head of state to make an official tribute to the Lubavitcher Rebbe at a major Chabad event.
“The conclusion I have reached is simple in its formulation and profound in its consequences: When one embraces Judeo-Christian values, spiritual and material life become aligned and resonate on the same wavelength,” Milei said Monday night at the Palacio Libertad cultural center.
It was the latest in a long list of expressions of admiration for Judaism for Milei, a self-described “anarcho-capitalist” who was elected in 2023 and since has made support for Israel a cornerstone of his agenda. He has previously visited Schneerson’s grave in New York City, made pilgrimages to the Western Wall in Jerusalem and presented a picture of Schneerson to Israeli Prime Minister Benjamin Netanyahu as a gift. He was also honored at a Chabad synagogue in Miami in 2024, where he revealed that he believed he has Jewish heritage.
Milei has long studied Judaism and has said he wants to convert after leaving office but sees Jewish practice, including the observance of Shabbat, as incompatible with the presidency.
His 40-minute speech at the Chabad event focused almost entirely on Jewish religious texts and thought, quoting passages from the Torah as the basis of his economic view.
Milei also revealed that his address was drawn from the epilogue of his upcoming book, “Morality as State Policy,” in which he argues that capitalism is a system invented by “the Creator” — whom he also referred to as “the One” — to bring paradise to earth through work.
Jews in Argentina have a range of perspectives on Milei’s philosemitism.
“I appreciate that the president chose to attend and speak at the Tribute to the Rebbe,” Rabbi Tzvi Grunblatt, the head of Chabad in Argentina, told the Jewish Telegraphic Agency. “He is doing so from a deeply personal place. I also think it is healthy for him to have this spiritual side.”
But Alicia Osipovich, a sign-language interpreter assisting a deaf attendee at the event, told JTA that Milei’s forceful support for Israel and Judaism made her uneasy, even as she personally appreciated it.
“I’m proud and deeply moved to have a president like him,” Osipovich said. “At the same time, I have some concerns. He speaks extensively about Israel, and you know how support for Israel is sometimes portrayed. He says he is a Zionist, but nowadays the word ‘Zionist’ is often used as a negative label. I have mixed emotions. As a Jew, I am proud, but I also feel some concern about the increased public exposure of Judaism these days.”
Under Milei’s leadership, Argentina has invited European Jews worried about rising antisemitism to consider the country as a destination. Foreign Minister Pablo Quirno recently emphasized Argentina’s attractiveness in a message aimed at Jews in Britain and other European countries who are grappling with surging incidents targeting Jewish communities.
“A country on the up with great opportunities. Sunny, with many natural attributes, and home to the largest Jewish community in Latin America. Strong stand against antisemitism. British and European Jews should seriously consider Argentina. You are welcome,” Quirno wrote on X in reply to author Saul Sadka, who had urged British Jews to consider leaving amid growing hostility.
Argentina’s leading Jewish organization, DAIA, has recorded more antisemitic incidents in recent years, mostly taking place online. But the rate of antisemitic incidents reported in the country last year was significantly lower than in many other countries with sizable Jewish populations, according to the 2025 worldwide antisemitism report published in April by Tel Aviv University.
Rabbi Abraham Cooper, the Simon Wiesenthal Center’s global director, praised Quirno’s invitation, saying it reflected a significant shift.
“Sign of the times? A country formerly ruled by a Nazi-supporting dictator has morphed over decades into a strong democracy whose president is a philo-Semite,” Cooper wrote in reply to Milei’s foreign minister. “Argentina currently serves as chair of IHRA [the International Holocaust Remembrance Alliance]. Foreign minister now beckons embattled British Jews. Incredible.”
Israel’s ambassador to Argentina Eyal Sela told JTA at the Chabad event that he had no difficulty recognizing that Argentina is currently a very good place for Jewish life.
“Yes, I agree with the Argentine foreign minister,” Sela told JTA. “Of course, Israel will always be the best place for Jewish life. But today, Argentina is a much better place for Jews than Europe.”
Monday’s event opened with the testimony of Yosef Chaim Ohana, a survivor of the Oct. 7, 2023, Hamas attack on Israel, who expressed deep gratitude for the support shown by Jews around the world, followed by remarks from his father, Avi Ohana. Milei hosted the Ohanas and Grunblatt on Tuesday morning at Argentina’s presidential palace, the Casa Rosada.
Dozens of Argentine nationals were murdered or taken hostage on Oct. 7. This week, an Israeli who had worked in Buenos Aires at the Israeli embassy in Argentina was killed in an attack on a moshav in central Israel.
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France bans Smotrich as 6 countries impose new sanctions over Israeli settler violence
(JTA) — Six countries have imposed coordinated sanctions against Israeli groups over settler violence in the West Bank, with France barring Israel’s far-right finance minister, Bezalel Smotrich, from its borders.
France, the United Kingdom, Canada, Norway and Australia on Tuesday released sweeping sanctions on Israeli networks and leaders to “hold extremist settlers accountable for the horrific levels of settler violence against Palestinian civilians,” their foreign ministers said in a joint statement.
The measures include a range of travel bans and asset freezes aimed at disrupting flows of finance to extremist settler groups as violence escalates in the West Bank. The United Nations reported over 1,800 settler attacks against Palestinians in 2025, the highest number since it began documenting incidents in 2006, and violence has remained intense this year. The Israeli military also recorded a sharp increase in nationalist and settler violence in 2025.
Israel said it rejected “the disgraceful measures adopted by foreign governments against Israeli citizens, entities, and a government minister,” accusing the other countries of imposing a political stance that was “camouflaged as measures against violence.”
“What these governments have in common is their resounding failure to combat the antisemitism that is rampant in their own countries,” said Israel’s Foreign Ministry. “Anti-Israeli policies of the kind adopted today only serve to fuel that antisemitism.”
New Zealand imposed travel bans last week on three Israelis: Itamar Yehuda Levi, Harel David Libi and Eliav Libi. Foreign Minister Winston Peters said the bans were not aimed at the Israeli government or people, but targeted “three individuals who have actively worked to expand illegal settlements in the West Bank, including through violence.” Levi and his construction company, Eyal Hari Yehuda, were also listed as targets of new sanctions from the United Kingdom. Levi, Harel David Libi and Eliav Libi could not be reached for comment.
France on Tuesday joined a growing list of countries to ban Smotrich, Israel’s far-right finance minister who oversees demolition and construction in a portion of the West Bank. The ban comes days after Smotrich visited the United States to march in a pro-Israel parade in New York City, surprising many local Jewish leaders who said they do not support him.
Smotrich has already been barred from entering Ireland, Spain, the United Kingdom, Norway, Australia, New Zealand, the Netherlands and Slovenia. Smotrich did not respond to a request for comment.
Those countries have also previously banned Itamar Ben-Gvir, Israel’s far-right national security minister. France banned Ben-Gvir last month after he posted a video of himself taunting detained activists who attempted to carry aid to Gaza on a flotilla.
France added four leaders of settler organizations and 21 settlers accused of violence to its travel ban list on Tuesday, according to foreign affairs minister Jean-Noël Barrot.
The United Kingdom, for the first time, has explicitly advised businesses against economic and financial activity in the West Bank. The country released a list of seven sanctioned people and entities that financially support Israeli settler farms and outposts in the West Bank or are associated with physical attacks on Palestinians.
Foreign Secretary Yvette Cooper also announced at least £10 million for the Palestinian Authority, which runs Palestinian areas of the West Bank, and £1 million for humanitarian assistance with clearing mines in Gaza.
Canada announced that its measures on Tuesday brought the country to a total of 19 individuals and 12 entities sanctioned for “their role in extremist settler violence.”
The joint statement issued by five foreign ministers said that illegal settlements, which shrink the territory inhabited by Palestinians, undermine “viability of the State of Palestine and the prospects for peaceful coexistence.” Norway officially recognized a Palestinian state in May 2024, with France, the United Kingdom, Canada and Australia following suit in September 2025. New Zealand has not recognized a Palestinian state.
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Colombian President Gustavo Petro sparks outcry over tweet reading ‘Heil Hitler’
(JTA) — Colombia’s outgoing president, Gustavo Petro, sparked fierce condemnation from Israeli and Latin American leaders after he tweeted the phrase “Heil Hitler” Sunday in response to an op-ed endorsing a candidate in the country’s upcoming presidential election.
Petro, a left-wing president in the final weeks of his term ahead of the country’s June 21 runoff election, posted the Nazi phrase in response to an op-ed supporting right-wing presidential candidate Abelardo de la Espriella.
Petro subsequently defended his use of the Nazi slogan, arguing that he was critiquing the language used by the op-ed’s author, which he said included “fascist phrases.”
His defense came after criticism from Israeli leaders and others who said the “Heil Hitler” comment was inappropriate.
Israel’s ambassador to the United Nations, Danny Danon, called on the Colombian leader to “come to your senses and apologize” before Wednesday, when he is slated to preside over a debate at the United Nations Security Council.
“President of Colombia, @petrogustavo, whatever is going on in your personal life, there are lines that must never be crossed,” Danon wrote in a post on X. “Using Nazi slogans is a disgraceful low from which there is no coming back.”
Israel’s Foreign Ministry also decried the post, writing on X that it was a “total loss of moral compass and an indelible stain on Colombia’s legacy.”
The episode comes amid shifting norms about the use of Holocaust analogies and language in political discourse. After being considered out of bounds for a long time, people on both the right and the left have increasingly shed those norms amid growing political polarization and extremism around the world.
The “Heil Hitler” post was not the first time Petro has landed in hot water for invoking the Holocaust. In the wake of Oct. 7, Petro drew backlash from Jewish and Israeli leaders for likening the actions of Israel to Nazi Germany. On social media, he has repeatedly called political rivals Nazis, including last month when he wrote in a post on X that Israel’s national security minister, Itamar Ben-Gvir, had behaved like a “true Nazi” after he posted videos taunting detained activists from a Gaza-bound aid flotilla.
In 2024, Petro also severed diplomatic ties with Israel, accusing the country of commiting genocide in Gaza, an accusation Israel has denied. Espriella, who was endorsed by President Donald Trump, has vowed to renew diplomatic ties with Israel.
On Monday, 24 Latin American lawmakers signed onto a statement condemning Petro’s rhetoric, warning that his repeated use of references to Naziism risked distorting Holocaust memory.
“The use of references to Nazism must not become a rhetorical tool to discredit political or ideological positions. Democratic leaders have a responsibility to promote a respectful public debate that is conscious of the weight of words,” the statement read.
The statement was initiated by the Coalition of Latin American Legislators Against Antisemitism, which is led by the Combat Antisemitism Movement. The signatories included lawmakers from Argentina, Brazil, Chile, Colombia, Costa Rica, Ecuador, Guatemala, Honduras, Mexico, Panama, Paraguay, Peru, the Dominican Republic and Uruguay.
Shay Salamon, CAM’s executive director of Latin American affairs, said in a statement that Petro’s invocation of the phrase reflected a “troubling record of antisemitic expressions and conduct” by the Colombian leader.
“When a leader uses the authority of his office to stigmatize the Jewish people or trivialize their historic suffering, silence is no longer an option,” Salamon said.
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