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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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Staunch Israel critic and Gaza trauma surgeon Adam Hamawy wins NJ-12 primary
(JTA) — Adam Hamawy, the staunch Israel critic who served as a trauma surgeon in Gaza, is expected to join Congress after winning the Democratic primary in New Jersey’s 12th district on Tuesday.
The political novice held a 12-point margin ahead of second-place candidate Brad Cohen with 86% of the vote in, even as he faced questions over his past ties to Omar Abdel-Rahman, the “Blind Sheikh” convicted on terrorism charges in 1995. Hamawy’s camp had called the questions “gross and bigoted” and said the attacks against him were “getting more desperate than ever.”
At a time when Israel is becoming increasingly unpopular among Democratic voters, Hamawy’s victory makes him the latest in a string of vocally pro-Palestinian progressives to win Democratic elections in blue districts in this year’s midterms, following fellow New Jersey candidate Analilia Mejia and Chris Rabb in Pennsylvania.
“The Democratic establishment just got a wake-up call!” wrote PAL PAC, a pro-Palestinian group that had endorsed Hamawy, on X. “This victory proves what we have known all along: Standing firmly and unapologetically for Palestinian freedom is a WINNING platform.”
Hamawy, who is credited with having saved Sen. Tammy Duckworth’s life during the Iraq War, was also boosted by $2 million in spending by American Priorities, a super PAC that aims to counterweight the pro-Israel lobbying group AIPAC by installing pro-Palestinian progressives in Congress. He was endorsed by a slew of left-wing politicians and campaigned alongside the streamer Hasan Piker, who’s been accused of antisemitic rhetoric. He is set to succeed Rep. Bonnie Watson Coleman, who is retiring at the end of her term.
As an opponent of Israel’s Iron Dome missile defense system and a supporter of a complete arms embargo and the right of return for Palestinian refugees, Hamawy will become one of Congress’ sharpest Israel critics if he wins November’s general election, which he is expected to do in the deep-blue district.
Hamawy said that he finds antisemitism “abhorrent” and that he is “deeply worried about its continued rise” in a statement to the Jewish Telegraphic Agency last week.
“As a Muslim, I understand what it feels like to face bigotry, to feel unsafe in your community and to have your loyalty to this country questioned,” Hamawy said. “In this country, we have seen recent attacks at both synagogues and mosques. I see our safety as intertwined.”
Asked about Jewish constituents who disagree with his stance on Israel, Hamawy told JTA, “I hope we can still connect on shared values and goals, including peace, justice, safety and dignity.” He added that his door “will always be open.”
Ken Martin, chair of the Democratic National Committee, did not mention Hamawy’s pro-Palestinian advocacy in a statement congratulating him on his win.
“As a veteran, combat surgeon, and small business owner, Adam Hamawy has continually served his community and our country. He is a proven fighter for working families,” Martin said. “We look forward to welcoming him to Congress, where he will continue the fight to lower costs, expand access to healthcare, and make life more affordable for New Jersey families.”
This article originally appeared on JTA.org.
The post Staunch Israel critic and Gaza trauma surgeon Adam Hamawy wins NJ-12 primary appeared first on The Forward.
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Scott Wiener wins spot in general election for San Francisco House seat as a Jewish critic of Israel
California State Sen. Scott Wiener advanced Tuesday as the frontrunner to succeed former House Speaker Nancy Pelosi in Congress, in a contest closely watched in Jewish politics after Wiener called Israel’s actions in the Gaza War a genocide and called for a halt to arms sales to Israel.
Wiener, a 55-year-old progressive Democrat who is Jewish, advanced with the most votes, with 42% of the ballots with about half counted as of Wednesday morning in California’s top-two primary for the deep-blue San Francisco district Pelosi has represented for nearly four decades. In November’s general election he will face the runner-up Democrat, San Francisco Supervisor Connie Chan, who is backed by Pelosi.
In his victory speech, Wiener promised to fight the Trump administration’s “disaster of a regime” that has “commandeered this country, that is tearing down our democracy and the rule of law, that is getting us into disastrous wars.”
“I’m polite but not quiet,” he added. “I’m not going to wait my turn.”
Wiener’s possible arrival in Congress comes amid a broader reshaping of Jewish Democratic politics, as a more progressive and younger generation of Jewish candidates increasingly embraces a more critical approach toward Israel.
The Israeli-Palestinian conflict became a key issue that defined his congressional campaign. In an interview with the Forward last year, after announcing his bid, Wiener said his approach reflects that of the “large majority of Democrats in Congress” who don’t want to sever ties with Israel but are critical of the policies of the right-wing government.
Wiener’s declaration in January accusing Israel of genocide caused an uproar among Jewish leaders and voters nationally and prompted his resignation as co-chair of the California Jewish Caucus.
For years, I’ve condemned Netanyahu and his extremist government and the devastation they’ve inflicted on Gaza. It’s why I’ve been clear I won’t support U.S. funding for the destruction of Palestinian communities. I’ve stopped short of calling it genocide, but I can’t anymore. pic.twitter.com/71nIt6K527
— Senator Scott Wiener (@Scott_Wiener) January 11, 2026
Wiener had already positioned himself as a progressive on Israel. He was an early supporter of a bilateral ceasefire, called the war “indefensible” and said he would back congressional measures to halt the sale of offensive weapons to Israel. But his declaration of genocide came under duress, after he faced widespread backlash from progressive voters when he refused during a candidate debate to say whether or not he believed Israel was committing genocide.
The episode reflected both the political pressures facing Jewish members of Congress and the changing landscape of Democratic leadership.
Wiener is running in the company of Massachusetts Rep. Seth Moulton, who is challenging incumbent Sen. Ed Markey in Massachusetts; Brad Lander, running against Rep. Dan Goldman in New York; and Daniel Biss, the Democratic nominee for the Illinois seat represented by retiring Rep. Jan Schakowsky, all of whom promised not to take contributions from the Israeli government-allied American Israel Public Affairs Committee.
These Jewish candidates remain supportive of Israel’s existence and reject efforts to isolate the Jewish state. But they are now more willing to embrace language that would have been politically unthinkable for mainstream Jewish elected officials just a decade ago, when figures such as retiring congressman Jerry Nadler and the late Reps. Nita Lowey and Eliot Engel, all of New York, were the faces of progressive Jewish politics. Pelosi, who often spoke of her pride in her Jewish grandchildren and her father’s early support for Israel’s founding, led a generation of Democrats for whom unwavering pro-Israel support was a given.
Wiener’s election would signal the start of a new era. Notably absent from Wiener’s remarks on Tuesday were references to Israel, antisemitism or his Jewish identity.
Other California races
Other high-profile California races saw progressive candidates outside the bubble as centrist and conservative candidates advanced in open primaries where the top two vote-getters advance to the general election.
In Los Angeles, with about half of votes counted, Republican ex-reality TV star Spencer Pratt (29.5% of the vote) appears poised to advance to the general election, along with incumbent Democratic Mayor Karen Bass (36.5%). Nithya Raman — a democratic socialist who once won a pro-Israel endorsement — lags well behind them with about half the votes counted. Billionaire Democrat (and former synagogue president) Adam Miller was a distant fourth, with 4% of the vote.
And with a slew of Democrats splitting votes in the governor’s race, Republican talk show host Steve Hilton led all candidates with 27% of the vote, closely trailed by Xavier Becerra (26%), who was the health and human services secretary under President Joe Biden. Billionaire progressive Tom Steyer had just under 20% of the vote with about half of the votes counted.
Rep. Brad Sherman of Los Angeles will advance to the general election, staving off a challenge from fellow Democrat Jake Levine, a former Biden administration official.
Rep. Ro Khanna had 57% of the vote in his Silicon Valley district, meaning he will most likely win the office without a runoff. Khanna is one of the most outspoken critics of Israel in Congress.
The post Scott Wiener wins spot in general election for San Francisco House seat as a Jewish critic of Israel appeared first on The Forward.
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At the Vatican with Chicago’s mayor, a rabbi gave Pope Leo a White Sox kippah
(JTA) — Lizzi Heydemann didn’t plan what she was going to say to Pope Leo XIV.
But when the Chicago rabbi found herself face-to-face with the new pontiff during a Vatican visit alongside a delegation of Chicago leaders, she thanked him for the way he has spoken about the war in Gaza.
“I said, you know, it’s been a hard time over these past two years to be a rabbi, but I want to thank you for, in the midst of conflict, holding the humanity of everyone involved in the conflict,” Heydemann recounted.
Leo, the first American pope and a native of Chicago’s South Side, repeatedly advocated after his election last year for the release of the Israeli hostages as well as a ceasefire in the war in Gaza, which he has referred to as “vengeance” and “barbarity.” The comments angered some Jewish leaders who have interpreted them as unfairly targeting Israel, but for others including Heydemann, they have offered a template for how to criticize the war.
“You may be anti-war, but I do not hear you denouncing or degrading people,” Heydemann said she told Leo. “Thank you for holding the humanity of Israelis and Palestinians in the same breath and the same thought. It’s not something that is modeled very often.”
She added, “He seemed grateful, and like he knew exactly what I was talking about.”
Heydemann, the founder and leader of Mishkan Chicago, an independent Jewish spiritual community, had been invited by Chicago Mayor Brandon Johnson to join a delegation of civic, business and faith leaders traveling to Rome last week. (Johnson has been a vocal critic of Israel who has drawn criticism himself from some Jewish leaders in Chicago.) She said she was the only rabbi to take part in the trip.
As she waited for the pope to enter a room where the delegation was assembled on Thursday, Heydemann said she began weeping.
“What I reflected on is that he, maybe more than anyone in the world, is a religious leader with the world’s eyes on him,” Heydemann said. “He is beloved and critiqued constantly, and every rabbi in America has had a little taste over the last few years of that weight.”
While the interaction carried an unexpected emotional weight for Heydemann, it also came with a distinctive Jewish Chicago touch: a White Sox-themed kippah.
She said she included the kippah, which featured the Chicago White Sox logo on the exterior as well as a pomegranate on the inside, in a chest of Chicago-themed gifts presented to the pope on Thursday during the visit as a nod to his lifelong devotion to the baseball team.
“We thought that would be a sweet point connection between me and the pope,” Heydemann said, adding that the pontiff’s typical white zucchetto looks “awfully like a kippah.”
“It brings us all joy to imagine that after a long day at work wearing the cream-colored one that matches his robes, maybe at the end of the day he’ll switch it out for a jersey material, White Sox kippah, and thinks fondly of sweet home Chicago, and the Jewish spiritual community gave it to him,” Heydemann added.
A list of gifts that circulated in local media included another piece of Jewish paraphernalia: a tote bag with the words “Resisting tyrants since Pharaoh.” That’s a catchphrase from T’ruah, the rabbinic human rights group where Heydemann has been on the board. But the rabbi said the inclusion was an error: She was carrying the bag, not giving it to Leo.
Looking back on the meeting with the pope, Heydemann said her experience reflected a broader conviction about “building bridges, even in the presence of difference.”
“There’s too much at stake in our world for us to not be continuing to be in relationship with one another in the presence of differences,” Heydemann said.
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