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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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Israeli man indicted in attack on Catholic nun in Jerusalem’s Old City
(JTA) — An Israeli man was indicted on Thursday in connection to the violent assault of a Catholic nun in Jerusalem last month, after prosecutors said he targeted her over her Christian identity.
Yona Schreiber, 36, from the West Bank settlement of Peduel, was arrested last week and has since been indicted on charges of “assault causing actual injury motivated by hostility toward the public on the grounds of religion, as well as simple assault,” the state attorney’s office said in a statement.
According to the indictment, Schreiber, who is Jewish, attacked the nun just outside of the Old City in Jerusalem because he identified her as a Catholic nun. Schreiber allegedly pushed and then kicked the nun as she was lying on the ground and also attacked a passerby who attempted to intervene.
תקיפת הנזירה אתמול באזור קבר דוד בירושלים – שוטרי מרחב דוד איתרו את החשוד (36) ועצרו אותו בחשד לתקיפה ממניע גזעני >>> pic.twitter.com/agRpznR84X
— משטרת ישראל (@IL_police) April 30, 2026
The nun, a researcher at the French School of Biblical and Archeological Research, suffered bruises on her face and leg due to the attack, the state attorney’s office said.
The attack, which drew condemnation from Catholic leaders as well as faculty at the Hebrew University of Jerusalem, comes amid mounting concern over hostility toward Christian clergy and holy sites in Israel.
Cases of Jews harassing Christians have risen sharply in recent years. Last month, the IDF punished a soldier who was filmed bludgeoning a statue of Jesus in southern Lebanon. This week, the IDF also announced that it would discipline a different soldier who was seen placing a cigarette into the mouth of a statue of the Virgin Mary in a photo posted on social media.
Israel’s attorney general asked the Jerusalem Magistrate’s Court, where the indictment was filed, to hold Schreiber in detention for the duration of the legal proceeding.
The assault carries a maximum prison sentence of three years, which could increase to six years if prosecutors prove the attack was motivated by religious bias.
The post Israeli man indicted in attack on Catholic nun in Jerusalem’s Old City appeared first on The Forward.
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Jewish real estate magnate Steven Roth likens Mamdani’s ‘tax the rich’ rhetoric to ‘from the river to the sea’
(New York Jewish Week) — Jewish real estate mogul Steven Roth compared New York City Mayor Zohran Mamdani’s “tax the rich” rhetoric this week to racial slurs and pro-Palestinian rhetoric on an earnings call for his company, Vornado Realty Trust.
“I consider the phrase ‘tax the rich’ when spit out with anger and contempt by politicians both here and across the country, to be just as hateful as some disgusting racial slurs and even the phrase, ‘from the river to the sea,’” Roth said, referring to the phrase commonly used at pro-Palestinian protests that many Jewish groups consider antisemitic.
The remark by Roth, who has long been a notable philanthropist to Jewish causes, adds to mounting tensions between New York business leaders and Mamdani over his recently announced “pied-à-terre” tax on second homes valued at more than $5 million.
During the call Tuesday, Roth also expressed support for Ken Griffin, the CEO of Citadel, whose $238 million dollar penthouse was featured in a video by Mamdani announcing plans for the tax last month.
“We are all shocked that our young mayor would pull this stunt in front of Ken’s home and single him out for ridicule,” Roth said. “The ugly, unnecessary video stunt is personal for Ken and sort of personal for me.”
Roth’s comments touched on a longstanding source of friction between Mamdani and some New York Jewish leaders, who have criticized the mayor over his views on Israel and his previous defense of the phrase “globalize the intifada,” another common pro-Palestinian slogan viewed by some as a call to violence against Jews.
In the wake of Mamdani’s election, some Jewish business leaders, including Dave Portnoy, the Jewish founder of Barstool Sports, said that they planned to leave the city altogether, citing the mayor’s fiscal policies and concerns about antisemitism under his leadership.
In a statement responding to Roth’s comments, Mamdani’s office said that he wanted all New Yorkers to succeed, including “business owners and entrepreneurs who create good-paying jobs and make this city the economic engine of America.”
“That does not negate the fact, however, that our tax system is fundamentally broken. It rewards extreme wealth while working people are pushed to the brink,” the statement continued. “The status quo is unsustainable and unjust. If we want this city to become a place that working people can afford, we need meaningful tax reform that includes the wealthiest New Yorkers contributing their fair share.”
The post Jewish real estate magnate Steven Roth likens Mamdani’s ‘tax the rich’ rhetoric to ‘from the river to the sea’ appeared first on The Forward.
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Man who firebombed Boulder Israeli hostage march sentenced to life in prison
(JTA) — The man charged with carrying out a deadly firebombing attack on a march for Israeli hostages in Boulder, Colorado, last year was sentenced to life in prison without the possibility of parole on Thursday after pleading guilty to muder and dozens of other charges.
Mohamed Sabry Soliman, an Egyptian national who was arrested at the scene of the attack on the demonstrators last June, pleaded guilty to 101 charges, including 52 counts of attempted murder and one count of murder for the death of Karen Diamond, an 82-year-old victim of the attack who later died of her wounds.
During the June attack, Soliman shouted “free Palestine” and threw two molotov cocktails at the group, Run for Their Lives, injuring over a dozen people. According to an earlier court filing, Soliman said that he had staged the attack, which prosecutors said he planned for a year, because he “wanted to kill all Zionist people and wished they were all dead.”
Soliman has separately pleaded not guilty to federal hate crime charges, for which prosecutors could potentially seek the death penalty.
“If I went back, I would not have done this as this is not according to the teaching of Islam,” Soliman said during the sentencing hearing, adding that he wanted federal prosecutors to seek the death penalty. “What I did came out of myself and only myself.”
During his remarks, Soliman argued that he had not been driven by anti-Jewish animus. He later said that Zionism was “the enemy” and that it was his “right” to be against Israel.
Chief District Judge Nancy W. Salomone rejected Mr. Soliman’s arguments, telling him that his “choices were acts of terror, and they victimized an entire community,” according to the New York Times.
“You chose to victimize these people because they were members of the Jewish community,” she said.
In a statement read earlier in court by a prosecutor, Diamond’s sons, Andrew and Ethan Diamond, asked that Soliman not be allowed to see his family again “since he is responsible for our mother never seeing her family again,” according to the Associated Press.
They said that Diamond had suffered “indescribable pain” for over three weeks before her death, adding that “in those weeks, we learned the full meaning of the expressions ‘living hell’ and ‘fate worse than death.’”
The post Man who firebombed Boulder Israeli hostage march sentenced to life in prison appeared first on The Forward.