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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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A poet’s reaction to this summer’s terrorist attack in Berlin
דעם 25סטן יולי איז דער פּאָעט דזשײק שנײַדער געפֿאָרן קײן װײַמאַר כּדי צו מאָדערירן אַ כּמו־טעלעװיזיע־פּראָגראַם אױף ייִדיש מיט דער אַקטריסע עלענאָר ריסאַ, אַן אונטערנעמונג אין משך פֿונעם פֿעסטיװאַל „ייִדיש־זומער װײַמאַר“. אױף מאָרגן איז ער אַהײמגעפֿאָרן קײן בערלין, װוּ ער האָט מאַרשירט אינעם יערלעכן שטאָלץ־פּאַראַד – אײדער אַ טעראָריסט האָט אַטאַקירט דעם פּאַראַד, דערמאָרדעט אײן פֿרױ און פֿאַרװוּנדיקט מער װי 30 מענטשן. אָט דער „פּאָעטישער באַריכט“ דאָקומענטירט כראָנאָלאָגיש זײַנע פֿראַגמענטאַרישע געדאַנקען און אײַנדרוקן פֿון דעם דאָזיקן מעת־לעת.
װאָס איז טײַטש „לײַװ“?
פֿון דזשייק שנײַדער
פֿאַרבײַגעגאַנגענע רעקלאַמעס׃
פֿאַרטאָפּלט אײַער עקראַנצײַט!
װערט אַ זעלנערין פֿאַר דײַטשלאַנד!
אײַער דירה־געלט איז צו טײַער!
איך דאַרף נאָך מסרן מײַן ראָװער־גנבֿ.
כאַפּן די פֿאַרלאָזלעך פֿאַרשפּעטיקטע באַן.
שױן זיצט מײַן סטודיאָ־עולם און װאַרט.
פּונקט אַזױ װי די װערטער פֿון דער װאָך.
אונטערװאַרטן, אָפּװאַרטן, צוּװאַרטן.
פּונקט אַזױ װי יאַנקלס נײַער װערטער־װידעאָ.
עס װאַרט אַ שיסל מיט ברױנע עם־ען־עמס.
איך האָב שױן אײן מאָל פּראָבירט דעם קלאַנג.
אַ שמועס־שעה אױף פֿאַרשטומטן ייִדיש.
אַ טעלעװיזיע־פּראָגראַם אָן טעלעװיזיעס.
אַ לעבעדיקע לאַכטאַשמע, דאַנקען גאָט.
„אונדזער עולם“ איז דאָך דאָ אין װײַמאַר.
איך דאַרף נישט איבערחזרן אױף כינעזיש.
פּאָסטקאַרטלעך פֿון װאַרשע, סאַו־פּאַולו.
אַכט מדינות… אָבער נישט דײַטשלאַנד.
עלענאָר באַװױנט אונדזער נישט־טעלעװיזיע.
ליבע־בריװ פֿונעם אונטערװעש־שופֿלאָד.
דאָס טײַערסטע קלײד פֿון אַ גאַנץ לעבן.
אַז מען דערמאָנט פֿראַנק לאָנדאָנען…
כּדי צו שטראָמען באַדאַרף מען נײַעס.
אַזאַ מין איצט באַדאַרף אַן איצטיקײט.
אַנישט קומט דער נעטפֿליקס־עפֿעקט.
אָן־סופֿיקע אַפֿישן אַדורכצובלעטערן.
בײַ ממשותדיקע נײַעס קומען שטױס־מעלדונגען.
די מאָבילקעס, טאַבלעטן און זײגערלעך װיברירן.
און שױן איז אונדזער שמועס־שעה פֿאַרבײַ.
שױן האָבן מיר געבענטשט עלעקרטישע ליכט.
געריסן די חלות, געגעסן די אוגערקעס.
אֵין כּל, אֵין כּל, אֵין כּל…. „טײַ“.
נישטאָ קײן צײַט פֿאַר אַ חצות בײַם טײַך.
די באַן פֿאָרט אומהײמלעך איצטיקיסטיש.
אינסטאַגראַם האָט פֿאַרגעסן זײַן ייִדיש.
שױן אַהײמגעפֿאָרן מיטן דינג־ראָװער.
שױן געגלעט מײַן הינטלס קאָנוס־קאָפּ.
שױן אָנגעטאָן מײַן בער־קאָסטיום.
שױן געפֿאָרן צום פּרײַד־לחײם.
שױן געקװעטשט אױפֿן נײַנטן קנעפּל.
שױן איבערגעקערט אַ טעלער מיט נאַשן.
שױן געהערט מעשׂיות פֿון נעכטן בײַ נאַכט.
שױן פּאָזירט אינעם יערלעכן באַלקאָנבילד.
אַלע טראָגן װי תּמיד די סאַמע מאָדישע זאָקן.
אַ פֿרײלעכן פּרײַד. פֿרײלעך צו זײַן פֿרײלעך.
אַראָפּ און אַרױס מיט די אַנדערע פֿײגעלעך.
אַן אַנדער שׂימחה־גרופּע װאַרט שױן אין דרױסן.
איך טאָר נישט קװעטשן דאָס פֿרײלעך־קנעפּל.
איך טאָר נישט נאַשן קײן שװאַמעלע־שאָקאָלאַד.
מיר יאָגן זיך נאָך די אַנטלאָפֿענע פּאַראַד־װאָגנס.
הײַיאָר פּראָקלאַמירט מען כּמו־פּאָליטישע לאָזונגען.
דעות זענען רײצנדיק. די „גוטע גבֿירים“ בלײַבן.
מיר מאַרשירן טאַנצעװדיק, טאַנצן מאַרשירעװדיק.
ס׳איז דער הױפּטשטראָם־פּרײַד, דער באַנאַלער.
נישט דער לעסבישער, נישט דער פּאַלעסטינישער.
מיר פֿאַרלירן אַ חבֿר אַלע פֿינף מינוט.
מיר װאַרטן אױפֿן קלאָזעט־הײַזעלע.
מיר האַלטן זיך אָפּ בײַ נאָלנדאָרף־פּלאַץ.
דאָרט אױבן אַרבעט מײַן צײנדאָקטער!
דאָרט װוּ עס הענגען די נחת־פֿענער!
אַ ביר פֿון אָרגאַנישן סופּערמאַרק.
כּדי אַרײַנצוגײן דאַרף מען זיך אָנטאָן.
איך דאַרף נאָך ענדיקן דאָס „לײַװ“-ליד.
איך דאַרף שפּאַצירן מיטן קאָנוס־קעפּל.
איך דאַרף נאָך שרײַבן עטלעכע רשימות.
קודם־כּל, פֿאַר װאָס נישט אַ שניצל?
די קיך פֿאַרמאַכט זיך צען אַ זײגער.
מיר באַשטעלן אין דער לעצטער מינוט.
מיר עסן דאָס אױסגעפּלאַטשיקטן פֿלײש.
מיר שפּאַצירן אַהײם דורך די געסלעך.
צװײ פֿײגעלעך פֿון אַ גאַנץ יאָר מיט אַ הינטל.
שױן קומען די שטױס־מעלדונגען.
שױן שטײען מיר אױף דער שװעל.
איך דאַרף זיך שױן „מעלדן בשלום“.
איך דאַרף נאָך מעלדן מײַן ראָװער.
איך דאַרף נאָך ענטפֿערן אױף די בריװלעך.
צי בין איך בשלום? װער איז בלשום?
די מלחמה קעגן מלחמות איז אױס.
עס בלײַבן אונדז בלױז מײנונגען.
יעדער אײנער האָט זײַן אָפּרוף.
יעדער אײנער האָט זײַנע דעות.
יעדער אײנער האָט קלוגע פּירושים.
װער זשע װיל זײַן אין די נײַעס?
בערלין קײן װײַמאַר קײן בערלין, 26-25 יולי
The post A poet’s reaction to this summer’s terrorist attack in Berlin appeared first on The Forward.
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These Bundist pioneers were heroes in their time. Would they be in ours?
Academic stars in high school, Abrasha Blum and Luba Bielecka shared a slow burn romance and fervor for radical change. That hardly set them apart amid the ferment after the tsarist empire crumbled in 1919. No one would have predicted that Bielecka would go on to be awarded global nursing’s highest honor and Blum Poland’s equivalent of the Congressional Medal of Honor.
But their story poses a provocation in today’s hyper-polarized politics: Blum and Bielecka were devoted Bundists, and as such, they were not only socialists but anti-Zionists.
That combination can get you labeled today as anti-Israel and antisemitic, and even anti-American. Yet at the time they were Jewish heroes.
Bielecka repeatedly risked her life smuggling children out the Warsaw ghetto under Nazi occupation while directing the sole Jewish nursing school, sustaining its rigorous professional standards even as it was squashed into oblivion. Blum, a physically frail man, was dubbed the “ideological father of armed resistance” in the Bund; he led his band of militants into joining forces with the detested Zionists in the historic Warsaw Ghetto Uprising. When the insurgency was crushed — as all the combatants knew it would be — Blum, an engineer by training, led the surviving remnant through the cavernous sewer system to safety. But soon thereafter, in fleeing the police, he plummeted three stories from an apartment building. Badly injured, he was taken to Gestapo headquarters and never seen again.
Blum and Bielecka engaged the world as they found it and fought for justice for Jews and humanity. Blum’s photo is on display at Yad Vashem, Jerusalem’s Holocaust museum.
A lot has changed in 85 years. In 1939, most Americans Jews opposed Zionism and feared it would be misused by antisemites to justify allegations of dual loyalty. At the time, twice as many Jews lived in Warsaw as in all of British Palestine. The Bund swept 17 of 20 Jewish-designated seats on city council (Blum held one of them), far outdistancing all the Zionists parties together. Socialism made sense to Jewish voters, who were overwhelmingly “blue collar.” And so did doikayt (“hereness”), the doctrine that Poland’s three million Jews belonged there, not in a far-off desert, as the Zionists maintained.
The Holocaust radically and irrevocably changed the landscape. Ninety percent of Polish Jewry was exterminated. Even after the Nazis were vanquished, Jews continued to endure pogroms and were largely purged from Poland’s ruling communist party. By then, Israel was the sole destination in the world that welcomed large numbers of Jews.
Blum and Bielecka’s daughter, 17-year-old Aviva (née Victoria), was among the pioneers who migrated to a kibbutz in the new State of Israel. Zionism offered her the promise of milk and honey in a sanctuary free of antisemitism.
For years, her younger brother, Olek, held fast to his parents’ politics. But he too ultimately exited Poland, not for Israel but for the US, saddened that his father’s dream of “a prosperous Jewish minority inside Poland was impossible to realize.”
Like their parents, Aviva and Olek too engaged the post-WWII world as they found it and sought a better world.
Today, socialism and anti-Zionism are each experiencing something of a revival in the U.S. Self-described socialists have won mayoral elections in New York, Seattle and Washington, D.C. DSA-supported candidates won the Senate Democratic primary in Florida and narrowly lost Wisconsin’s gubernatorial primary. A recent CBS News poll found that 58% of Democrats now hold a favorable view of socialism, whereas only 32% view capitalism positively. The gap is even wider among young people. Jews, despite their relative affluence, remain among the most liberal voters in the U.S., although their current views on socialism have not been scientifically surveyed.
Anti-Zionism looks quite different in 2026 than in 1939, at least to Jews. Israel, approaching its 80th anniversary, is far from the desert mirage ridiculed by pre-war Bundists. While only a minority of American Jews self-describe as Zionists, an overwhelming majority support Israel as a Jewish and democratic state. Yet they are deeply troubled by Israel’s direction: Polls show that Zohran Mamdani, a socialist and anti-Zionist, is more popular among American Jews than Israeli Prime Minister Benjamin Netanyahu.
We’re left with this thought experiment: What if Abrasha and Luba resided in America today? What would they view as justice and how would they engage to achieve it? What if they resided in Israel?
And finally, a question about the rest of us: Would we recognize them as heroes?
The post These Bundist pioneers were heroes in their time. Would they be in ours? appeared first on The Forward.
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AIPAC couldn’t stop Michigan’s El-Sayed in the primary. Now it’s trying again.
AIPAC’s super PAC has re-entered Michigan’s closely watched U.S. Senate race less than a month before the general election, spending nearly $100,000 on mailers attacking Abdul El-Sayed, despite earlier concerns by allies of his Republican opponent, Mike Rogers, that it would boost the Democratic nominee.
The spending of $94,620 by United Democracy Project (UDP) on direct mailers was disclosed in a Friday campaign finance filing. It comes after Rogers publicly welcomed AIPAC’s support during a televised debate last week, reversing the position initially taken by people close to his campaign who worried the pro-Israel group’s involvement could hurt his chances.
A spokesperson for the group told Jewish Insider that the mailers target 130,000 identified Jewish voters in the swing state. It focuses on El-Sayed’s response to an attack on Temple Israel in West Bloomfield earlier this year. El-Sayed drew criticism for saying “hurt people hurt people” when discussing the attacker, whose brother was reportedly a Hezbollah commander killed in an airstrike on Lebanon. El-Sayed later apologized, saying he had been trying to provide broader context for the attack.
UDP spent more than $30 million trying to defeat El-Sayed in the Democratic primary this summer and in support of Rep. Haley Stevens, who lost by about one percentage point.
Following the primary, allies of the Republican nominee reportedly asked AIPAC not to run ads to boost him, fearing that the group’s involvement would give El-Sayed the same political foil that helped him overcome its massive spending in the primary. Axios reported that AIPAC officials didn’t take that rejection easily.
But Rogers appeared to change course last Thursday when asked whether he’d welcome AIPAC’s support.
“Anybody that wants to help my campaign stop a guy who can’t condemn terrorism in our own country because he’s so close to the people who are supporting the Muslim Brotherhood, again, I’ll take all of that help,” Rogers said at Thursday’s televised debate. El-Sayed interrupted to say he had condemned terrorism.
A new super PAC, Together for Michigan, aired an ad during the debate featuring Taylor Weintraub, whose child attends the Temple Israel preschool that was attacked in March.
Rogers went further on Friday at a campaign event with Sen. John Kennedy of Louisiana, accusing El-Sayed of being “so anti-Jewish” that a single mailer had upset him. Rogers said he welcomed help from Jewish supporters seeking to defeat his opponent. Kennedy also attacked El-Sayed, saying AIPAC would not be involved in the race if the Democrat did not “sleep in a Bin Laden jersey.”
El-Sayed, an Israel critic who has made opposition to AIPAC a central part of his campaign, responded by accusing Rogers of desperation. “You know Mike Rogers is in trouble when he begs AIPAC to start spending against me,” he wrote on X.
Some Jewish Democrats are publicly supporting Rogers, saying El-Sayed has failed to assuage concerns in his outreach to Jewish voters and in campaign appearances in recent months. If elected, El-Sayed would become the first Muslim member of the U.S. Senate.
Recent polls show El-Sayed with a narrow lead in the race to replace retiring Democratic Sen. Gary Peters. Recent elections in Michigan have been decided by narrow margins. Trump won the swing state in 2024 by about 80,000 votes, while Democratic incumbent Elissa Slotkin defeated Rogers in the Senate race that year by fewer than 20,000 votes. Four years earlier, Joe Biden won Michigan by about 2.8 percentage points.
The post AIPAC couldn’t stop Michigan’s El-Sayed in the primary. Now it’s trying again. appeared first on The Forward.
