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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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Mamdani confronts backlash over exclusion of Jewish lawyers from judicial panel
Since taking office in January, Mayor Zohran Mamdani has shrugged off criticism from Jewish organizations over his opposition to Israel and Zionism. But new allegations that his administration excluded Jewish lawyers from a key City Hall appointments committee appeared to strike a nerve — getting directly at how he is governing New York City.
“The suggestion that there would be any decision-making motivated by religion, it does bother me,” Mamdani told reporters on Wednesday. “This is a city that is beautiful because of the breadth of diversity of those who call it home, and that includes the Jewish community across the five boroughs.”
On Monday, a coalition of New York City’s Jewish bar associations circulated a letter accusing Mamdani of excluding Jews from his appointees to the city’s 18-member Advisory Committee on the Judiciary. New York City has the largest Jewish population in America, and Jews are heavily represented in the legal profession.
The critics suggested that the absence of Jewish attorneys on the judicial advisory committee follows a “troubling pattern” that has left many Jewish New Yorkers “feeling increasingly marginalized.” The letter also pointed out that the rejection of retired Appellate Division Justice John Leventhal during the vetting process was “disconcerting” given the lack of outreach to other Jewish lawyers.
Mamdani forcefully denied suggestions that religion played any role in assembling legal experts for the committee. “I did not ask for the religion of each of the person that was put forward,” he said on Wednesday.
🚨Mamdani, facing qs about the lack of Jewish members on his judicial advisory committee, says he has appointed and reappointed a dozen judges from diverse backgrounds, “including Jewish ones.”
Mamdani appointed three new judges in January. The rest, including the Jewish judges… https://t.co/1b30y1y0XL pic.twitter.com/R0UQSl3Hmv
— Jacob N. Kornbluh (@jacobkornbluh) July 29, 2026
Mamdani’s press secretary, Joe Calvello, said that Leventhal was rejected after the vetting team found that he served on the legal team of Ghislaine Maxwell, a socialite who was sentenced for helping late sex offender Jeffrey Epstein. Calvello also said that Mamdani “had the privilege of appointing a dozen qualified judges from a range of backgrounds, including Jewish judges.” In January, Mamdani appointed three new judges. Another nine, including those referenced as being Jewish, are sitting judges whose original appointments were made under previous administrations.
That explanation became the centerpiece of Mamdani’s defense Wednesday. “The thing that matters most to me is that in the judges that have been appointed and reappointed, that they do reflect that diversity of New York City, and that diversity includes Jewish New Yorkers,” he said.
Why this controversy is different for Mamdani
The exchange with two reporters at Wednesday’s press conference, who questioned him about the appearance of excluding Jewish lawyers, reflected a different political challenge than the one Mamdani has faced for much of his first six months in office.
Mamdani has clashed with Jewish organizations that have largely centered on foreign policy or how to define antisemitism related to anti-Zionist activity.
His Day One repeal of the International Holocaust Remembrance Alliance definition of antisemitism, labeling Israel’s war in Gaza a genocide, support of boycotts, production of a Nakba Day video commemorating the displacement of Palestinians during Israel’s founding in 1948, response to pro-Palestinian protesters outside synagogues hosting an Israel real estate sale, pledge to seek the arrest of Israeli Prime Minister Benjamin Netanyahu if he visited New York, and most recently his call for protests against Netanyahu’s expected visit to the United Nations alienated much of New York’s organized Jewish community. But they reinforced Mamdani’s standing with his progressive base and the pro-Palestinian movement that helped propel him into office.
The judicial committee controversy is different. It raises questions about Jewish representation within his own government and whether the country’s largest Jewish community is being included in an influential legal panel.
It also follows questions earlier this year about the administration’s outreach to the Jewish community. Mamdani’s Jewish American Heritage Month reception at Gracie Mansion in May drew few leaders from mainstream Jewish organizations, after many declined invitations amid ongoing tensions over the mayor’s handling of antisemitism and Israel. The guest list reflected stronger ties with progressive Jewish groups, anti-Zionist activists and Hasidic leaders.
Wednesday’s response showed that Mamdani sees this as a different kind of political challenge. Unlike criticism over Israel, accusations that Jews are being left out of his own administration strike at the inclusive image he has tried to build as mayor.
The post Mamdani confronts backlash over exclusion of Jewish lawyers from judicial panel appeared first on The Forward.
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Tidbits: A huge Jewish dating event through AI and Chabad
Tidbits is a Forverts feature of easy news briefs in Yiddish that you can listen to or read, or both! If you read the article and don’t know a word, just click on it and the translation appears. Listen to the report here:
דעם 9טן אויגוסט וועלן טויזנטער אומבאַפּאָרטע ייִדן איבער דער וועלט אָנשטעלן זייערע עקראַנען און רעדן נײַן מינוט לאַנג מיט אַ פֿרעמדן. בײַ אַ טייל פֿון זיי וועט דאָס אפֿשר, אָן זייער וויסן, זײַן דער ערשטער שמועס מיט זייער זיווג.
אַזוי האָפֿן טאַקע די אָרגאַניזירער פֿונעם ריזיקן ראַנדקע-געשעעניש, Met@Chabad, וואָס זיי זאָגן וועט זײַן די גרעסטע סינכראָניזירטע ייִדישע ראַנדקע־אונטערנעמונג אויף דער וועלט. אין איין נאַכט וועלן אומבאַפּאָרטע ייִדן פֿון מער ווי 30 לענדער און טויזנט קהילות — אַרײַנגערעכנט מעלבורן, בוענאָס־אײַרעס און ניו־יאָרק — צונויפֿגעפּאָרט ווערן מיט פֿינעף מענטשן, אַ דאַנק דער הילף פֿון „איי־אײַ“ און אויך דורך רבנים און רביצינס, וואָס קענען די באַטייליקטע פּערזענלעך. מיט יעדן פֿון די פֿינעף מענטשן וועט דער באַטייליקטער שמועסן נײַן מינוט לאַנג דורך ווידעאָ.
זינט 2021, ווען מע האָט אײַנגעפֿירט די יערלעכע ראַנדקע־אונטערנעמונג, זענען מער ווי 30 פּאָרלעך פֿאַרקנסט געוואָרן דורך דער סיסטעם, און כּמעט בײַ אַלע זענען די פּאָרלעך געווען פֿון אַנדערע שטעט און לענדער. מיט אַנדערע ווערטער, אָן דער אונטערנעמונג וואָלטן זיי זיך קיין מאָל נישט באַקענט.
די יערלעכע אונטערנעמונג איז אָרגאַניזירט געוואָרן צוליב אַ וואַקסנדיקן פֿענאָמען בײַ די חב״ד־שלוחים איבער דער וועלט. יונגע ייִדן וואָס קומען צו זיי אויף שבת־מאָלצײַטן אָדער כּדי זיך צו באַראַטן מיט זיי וועגן אַ קאַריערע אָדער צוליב אַ פּערזענלעכן ענין, האָבן אָפֿט אויך געבעטן הילף בײַם געפֿינען אַ שידוך. אָבער בײַ חב״ד איז פּשוט נישט געווען קיין „שדכנות־ביוראָ“.
נעמענדיק אין באַטראַכט וויפֿל אַמעריקאַנער ייִדן האָבן הײַנט חתונה מיט נישט־ייִדן האָבן די שלוחים שטאַרק געוואָלט העלפֿן די אומבאַפּאָרטע ייִדן וואָס זוכן אַ זיווג. לויטן „פּיו“־פֿאָרשצענטער, האָבן 72% נישט־אָרטאָדאָקסישע ייִדן זינט 2010 חתונה געהאַט מיט עמעצן וואָס איז נישט קיין ייִד. אָבער זינט דעם 7טן אָקטאָבער 2023 האָבן די שלוחים באַמערקט אַ נײַע טענדענץ: מער יונגע ייִדן זאָגן זיי, אַז זיי ווילן חתונה האָבן מיט ייִדן און זוכן הילף ווי צו דערציִען ייִדישע משפּחות.
כּדי זיך צו פֿאַרשרײַבן אויף דעם ראַנדקע־געשעעניש דעם 9טן אויגוסט גיט אַ קוועטש דאָ:
צו לייענען וועגן דעם אויף ענגליש גיט אַ קוועטש דאָ:
To read about this in English click here:
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‘Do not boycott people who dislike us’: Netanyahu challenger Yair Lapid urges AIPAC and J Street to make support for Israel bipartisan again
Israeli Prime Minister Benjamin Netanyahu’s meeting in Washington, D.C. on Tuesday made headlines, but he is not the only Israeli official trying to make inroads in the nation’s capital this week.
Former Israeli Prime Minister Yair Lapid is also in town to get a head start on repairing the U.S.-Israel relationship. On Wednesday, Lapid, who is running on a joint slate with former Prime Minister Naftali Bennett to unseat Netanyahu in Israel’s October elections, met with a group of Democratic senators, including a handful who have voted in favor of restricting arms sales to Israel.
“I took advantage of the visit to convince them they were wrong, presenting them with facts on the ground,” Lapid wrote in a post on X translated from Hebrew. “Boycotting those who speak out against you is not the way. In the face of opposition in the Senate, you need to work hard, meticulously, to repair relations with both parties.”
Lapid and Bennett’s priorities are shared by many liberal Israelis who see the bipartisan foundation of the U.S.-Israel alliance falling apart and believe that replacing Netanyahu and winning back Democrats are both key to the survival of the Jewish state.
A recent poll found that nearly half of Americans believe the U.S. should enforce an International Criminal Court (ICC) arrest warrant for Netanyahu over his actions during Israel’s war in Gaza. Meanwhile, in April, more than three dozen Democratic senators voted in favor of a resolution introduced by Sen. Bernie Sanders of Vermont to block certain arms sales to Israel.
On Wednesday, Lapid met with some of those Democratic senators: Sen. Tim Kaine (D-Va.), Adam Schiff (D-Calif.), Alex Padilla (D-Calif.) Maggie Hassan (D-NH), John Hickenlooper (D-Colo.) Catherine Cortez Masto (D-Nev.), and Cory Booker (D-NJ), all of whom voted to restrict some U.S. arms sales to Israel. Also at the meeting were Sens. Jacky Rosen (D-Nev.) and Richard Blumenthal (D-Conn.), both of whom have staunchly backed U.S. military support for Israel.
Ahead of those meetings, Lapid outlined the opposition’s plan to bring Israel out of international isolation in a speech Monday evening at the Atlantic Council, an influential DC-based think tank.
First on the “to-do list,” as he called it, was to “restore Israel’s bipartisan standing in the United States” and “firmly encourage AIPAC and J Street to move away from partisanship, remind our friends that to be pro-Israeli is to be bipartisan, and build a broad coalition of support.”
“Do not boycott people who dislike us,” he added. “Insist on meeting them and presenting our case.”
AIPAC has long marketed itself as a bipartisan lobbying organization, though critics argue it has become increasingly aligned with Republicans in recent years. In late 2021, it launched a political action committee that has spent heavily in Democratic primaries against candidates whom it deemed unsupportive of Israel.
Meanwhile, J Street, founded in 2008, has long been closely aligned with Democratic lawmakers, often maintaining a critical position on Israeli policies and advocating for a two-state solution to the conflict.
At present, Lapid and Bennett’s joint party, called Together, is the second-strongest party running against Netanyahu in the polls. Gadi Eisenkot’s Yashar party is polling ahead of it — and, in some surveys, ahead of Netanyahu’s Likud party
Any coalition capable of ousting Netanyahu would likely require Together and Yashar to join forces, meaning Bennett, Lapid and Eisenkot would likely all hold very senior positions in a future government if they manage to build a coalition.
Lapid also pledged that a new government would “stay out of American politics” and “respect the American people and the leaders they have chosen on both sides of the aisle.”
“Elizabeth Warren, John Ossoff and Tim Kaine are not the enemy,” he said. “The Democratic Party is not the enemy. J.D. Vance is not the enemy.”
Vance has rattled the U.S. Israel relationship in recent weeks by belligerently defending a ceasefire agreement with Iran and lambasting the Netanyahu government. In addition to Kaine, Warren of Massachusetts and Ossoff of Georgia were among the senators in April who voted in favor of restricting arms sales.
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