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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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The Knicks won on 6/13. Jewish fans think that’s more than a coincidence.
(JTA) — For some Jewish fans of the New York Knicks, the most salient number related to the team’s NBA championship win on Saturday was not 94, the team’s final score, or 53, the number of years since the last title. It was 613.
The number is meaningful in Jewish tradition because it signifies the number of commandments, or mitzvot, outlined in the Torah.
For years, the number has hung from the rafters at Madison Square Garden — a reference to the number of lifetime wins notched by Red Holzman, the Jewish coach who led the Knicks during their previous championship runs, in 1970 and 1973.
On Saturday, it also became the date that the Knicks’ championship dry spell was broken: June 13, or 6/13.
For some Jews watching, the confluence of 613’s was evidence of divine intervention in the Knicks’ title win.
“Today is 6/13. There are 613 commandments in the Torah. Tonight, the Knicks are the champions. 🧡🩵,” tweeted Simone Weichselbaum, a native New Yorker. “I rest my case. 🏆”
Yossi Farro, who has made a name online by posting pictures of himself aiding Jewish celebrities, including athletes, in applying prayer phylacteries, tweeted an image showcasing the 613s in Knicks lore. “Faith. History. Legacy,” he wrote. “Amazing how sometimes everything comes full circle.”
Some online Jewish commentators found even more to read into the date. Moshe Spern, a New York City educator and activist, noted that not only is 613 significant in Jewish tradition, but 26, the rest of the date, also resonated. “And 26 is the gematria of Hashems name,” he tweeted, using a Hebrew name for God and referring to the kabbalistic practice of assigning numerical value to letters and their combinations. He concluded, “Today is a miracle!!”
Jewish Knicks diehards were talking about the 613 tie-in well before the date breaking the championship dry streak was revealed.
The Manhattan psychologist to the stars Ike Hershkopf, who would later be accused of abusing his power in a 2019 podcast, told the New York Jewish Week in 1998 that he had informed Holzman about how meaningful his lifetime achievement was.
“I wrote a letter telling him that 613 is the single most special number in the Jewish religion, signifying the number of commandments that an observant Jew observes,” Herschkopf said. “I told him the highest praise that one could give to a Jew is to say he is a 613 man. … Subsequently he told me that he was so taken with this that he not only framed the letter but sent out copies to his friends.”
Red Holzman, coach of the New York Knicks, shown on the sidelines during game action against Philadelphia 76ers, March 5, 1977. (Getty Images)
Last week, Rabbi Justin Pines, the chief executive officer of the Jewish Broadcasting Service, noted the Holzman banner in a broadcast. “Coincidence?” he asked. “Or a divine reminder hanging right over the court?” (The championship win unfolded in Texas at the home arena of the San Antonio spurs.)
Even those who satirize Jews online got in on the action on Saturday night.
“The Knicks won on 6/13. 613 is the number of Jewish commandments,” tweeted a parody account ostensibly attributed to a fake rabbi that often goads antisemites online. “And you’re telling me the Mossad didn’t have to do with Jew York winning the finals??”
For OG Anunoby, the Knicks’ forward who scored the game-winning putback in game four, the date of the victory had its own significance: It was the seventh anniversary of his first NBA title, with the Toronto Raptors.
“It’s a great day — what’s it, June 13th?” he said during a postgame press conference. “Yeah, June 13th is an amazing day.”
Not everyone appreciated the numerical reading between the lines, saying that there was more to marvel at in the Knicks’ win. In the leadup to the championship, and under siege in New York City.
“Guys stop giving divrei Torah about the date being 613 and the Knicks winning. There’s no connection between the number of mitzvot, today’s English date and a basketball team. Y’all are far-fetched,” tweeted a New York woman who goes by the Jewish Meme Queen online.
“You know what’s actually inspiring?” she continued. “The Knicks working their butts off to win. The sacrifices their families made for this moment. NYC coming together despite our differences.”
This article originally appeared on JTA.org.
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Trump announces deal with Iran is ‘now complete’
(JTA) — President Donald Trump announced Sunday that a deal to end the war with Iran and reopen the Strait of Hormuz is “now complete.”
“Congratulations to all! I hereby fully authorize the toll free opening of the Strait of Hormuz, and, simultaneously herewith, authorize the immediate removal of the United States Naval blockade,” Trump wrote in a post on Truth Social. “Ships of the World, start your engines. Let the oil flow!”
Pakistani Prime Minister Shehbaz Sharif, who has played a key mediating role in talks between the U.S. and Iran, also announced that a deal had been reached minutes before Trump made his post, adding that an official signing ceremony would take place Friday in Switzerland.
“Both sides have declared the immediate and permanent termination of military operations on all fronts, including in Lebanon,” Sharif wrote in a post on X.
The announcement comes more than three months since Israel and the U.S. launched its joint strikes on Iran in February. While the deal’s details have not yet been publicly announced, it is expected to extend a ceasefire between Iran and the U.S. for 60 days, during which the countries will negotiate a broader agreement addressing Iran’s nuclear program.
Israeli Prime Minister Benjamin “Bibi” Netanyahu did not immediately put out a statement following the announcement, but earlier Sunday he had posted a message on X celebrating Trump’s birthday.
Also earlier Sunday, Israel launched strikes on Hezbollah targets in Beirut, prompting Iran to vow retaliation and drawing a sharp rebuke from Trump, who said the strikes had “delayed the signing by a few hours.”
“Why did Bibi have to do a f–cking attack? I was so pissed off. I let him know. He has no fucking judgement. I let him know that,” Trump told Axios Sunday.
This article originally appeared on JTA.org.
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Jane Yolen, children’s book author whose ‘The Devil’s Arithmetic’ became a Holocaust classic, dies at 87
(JTA) — Jane Yolen was already an award-winning author and illustrator of more than 100 titles for young readers when her editor suggested she write a Jewish children’s book.
At first, she resisted the idea. Sure, she was Jewish. But she didn’t grow up in a religiously observant family, and she insisted she didn’t know enough about Judaism to take on the project.
Finally, she relented. Drawing on a spark of an idea about a Holocaust time-travel fantasy, Yolen turned in the first draft of what would become “The Devil’s Arithmetic,” her 1988 young adult novel. “I thought, ‘OK, I’m going to try this,’” Yolen recalled to the Jewish Telegraphic Agency years later.
The book won immediate acclaim and garnered multiple awards. Today, it’s seen as a classic of the genre — and one that remains caught up in banned-book lists.
For Yolen, who died Thursday at 87 in her home in Western Massachusetts, “The Devil’s Arithmetic” became her signature title. Still in print, the book was also made into an Emmy Award-winning Showtime feature starring Kirsten Dunst. It was the cornerstone of a titanic legacy in children’s literature, her family said in a statement.
“It is with profound sadness that I, along with my brothers, Adam Stemple, and Jason Stemple, share the news of our mother, Jane Yolen’s passing,” her daughter Heidi Stemple wrote on Facebook, adding that Yolen had “passed gently with no pain or stress” and her family by her side, reading one of her books to her.
Yolen was born on Feb. 11, 1939, in New York City. Her father was a journalist and her mother was a psychiatric social worker until Yolen was born.
An alumna of Smith College, where she won poetry and journalism awards, she worked first as an editor in New York City, writing at her breaks and time off. Her first published book, “Pirates in Petticoats,” a nonfiction work about women on the high seas, was published when she was 22.
She soon pivoted to children’s literature, becoming one of the most prolific authors in the genre. She went on to publish 450 children’s books, including more Jewish titles, and was known as “the Hans Christian Andersen of America.” She won the prestigious Caldecott Medal for her 1987 picture book, “Owl Moon,” and her “How Do Dinosaurs …” series is a staple in many preschool classrooms. (It includes one Jewish title: “How Do Dinosaurs Say Happy Chanukah?” Her 450th title was published just this year, her children said.
But it was “The Devil’s Arithmetic,” scholars have said, that cemented her legacy as a leading author for young Jews. The novel was a trailblazer for its blending of time-travel with historical veracity, according to the late Norman H. Finkelstein, a National Jewish Book award winner who was a children’s librarian himself.
“It was a different Holocaust book,” Finkelstein told JTA in 2018, on the occasion of the title’s 30th anniversary. “It was not strictly factual, it was not a memoir. Jane did a superb job in taking the story of the Holocaust down to a level that ordinary American kids could understand. The characters were realistic, not paper cutouts.”
Other titles of hers included “Meet Me at the Well: The Girls and Women of the Bible,” with Barbara Diamond Goldin, and “Jewish Fairy Tale Feasts,” with her daughter Heidi, who developed and illustrated the hands-on recipes.
Yolen relished the collaborations with her daughter. They lived next door to each other, along with Stemple’s family, with two grandchildren who were taste-testers of Stemple’s recipes.
“Jane was a treasure, and it is difficult to think of the world of books — indeed the world itself – without her,” Richard Michelson, an award-winning author of Jewish children’s books and Yolen’s friend and neighbor, wrote on Facebook. Describing her as a cherished mentor of younger writers, he added, “Jane created classics as if it were as easy as breathing.”
While often assigned in schools as part of lessons on the Holocaust, Yolen’s titles are not without controversy. In 2025 a Texas school district, using artificial intelligence, flagged “The Devil’s Arithmetic” for removal as a title containing “DEI,” or diversity, equity and inclusion content. The book became one of several well known Holocaust titles to be pulled from schools in the last few years.
Though she had initially resisted the idea of being a Holocaust author, Yolen would go on to publish a trilogy of unconventional young-adult novels about the subject. She incorporated elements of “Sleeping Beauty” into 1992’s “Briar Rose.” “Mapping the Bones” followed in 2018 as a riff on “Hansel and Gretel.”
“Whenever we think of the Holocaust, we think of remembering,” Yolen told JTA in that same 2018 interview. “We think of never forgetting. Soon all we will have are the stories.”
In addition to her children, Yolen is survived by six grandchildren. Her husband, David Stemple, to whom she was married for 44 years, died in 2006.
This article originally appeared on JTA.org.
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