Zera Yisrael

Children of Jewish fathers and non-Jewish mothers are a central example of Zera Yisrael in discussions of conversion: they have Jewish ancestry but require conversion under the traditional matrilineal rule.[2] In broader usage, the term encompasses blood descendants of Jews who lack recognition as Jewish under religious law, including people discussed in the context of Ethiopian aliyah.[1] The expressions “Zera Yisrael” and “Zera Israel” both appear in these contexts, with the literal meaning “seed of Israel.”[1][2]

Traditional halakhic criteria recognize a person born to a Jewish mother or an adult who has converted to Judaism as Jewish; Reform Judaism recognizes descent through either parent and also emphasizes Jewish upbringing.[4] Zera Yisrael therefore concerns a distinction between ancestry and religious status rather than simply another name for everyone recognized as Jewish.[2]

A separate distinction governs immigration: Israel’s 1970 amendment to the Law of Return extended eligibility to a Jew’s child or grandchild and to the spouse of a child or grandchild.[3] The law’s definition of a Jew—someone born to a Jewish mother or converted to Judaism who is not a member of another religion—is separate from those family-based provisions.[3] Consequently, eligibility to immigrate does not itself establish Jewish status under religious law.[3]

Rabbi Zevi Hirsch Kalischer’s 1864 discussion of children of Jewish fathers and non-Jewish mothers forms part of the historical background invoked in modern writing about Zera Yisrael.[5] An essay in the Jewish Review of Books recounts that Kalischer called these children zera kodesh, or “holy seed,” and supported their conversion at their fathers’ direction.[5] The essay also presents Rabbi Haim Amsalem’s appeal to an earlier responsum by Rabbi David ben Zimri, the Radbaz, concerning descendants of anusim who retained an attachment to Judaism after their ancestors’ forced conversion to Christianity; in the essay’s account, the Radbaz did not require full acceptance of the commandments in that case.[5]

Rabbi Ben-Zion Meir Hai Uziel argued that a rabbinical court should accept a conversion case brought by a Jewish father for his child born to a non-Jewish mother.[2] His reasoning described the child as remaining “zera yisrael” and, through conversion, reverting to his original lineage.[2] In another passage, Uziel urged drawing close people of Jewish lineage, including children of non-Jewish mothers, out of concern that rejection could lead to assimilation; he left the court to assess whether the intention was for the sake of Heaven.[6]

An account in the Jewish Review of Books describes a change of emphasis in Rabbi Isser Yehuda Unterman’s approach to such cases.[7] It portrays his earlier position in England as strict, partly because he feared encouraging intermarriage, but says the arrival of Soviet immigrants in the early 1970s led him to emphasize absorbing people of Jewish lineage, particularly minors brought for conversion through a rabbinic court.[7] In that account, Unterman invoked preserving Zera Yisrael when discussing children too young to accept the commandments themselves.[7]

The same essay credits Unterman’s successor, Rabbi Shlomo Goren, with implementing this approach more fully through state conversion centers that taught prospective converts.[7] It presents Goren’s argument that the Jerusalem Talmud offered a more accommodating precedent than the Babylonian Talmud because converts in the Land of Israel could integrate more readily into Jewish culture.[7] Goren also invoked the Hasmonean forced conversion of the Idumeans as a precedent for national absorption, in the essay’s account of his reasoning.[7]

Modern publication on the subject includes Rabbi Chaim Amsellem’s 2014 Hebrew book, Zera Israel: Halakhik Studies on Converts and Conversion, edited by Efrat Shukrun.[8] Its subject is converts and conversion in Jewish law, and a related bibliographic entry identifies an article entitled “Zera Yisrael: Its Essence and Application in the Laws of Conversion.”[8]

The Ethiopian setting has a distinct historical background: Beta Israel is the community’s own name for Ethiopian Jews, whose Torah-based Judaism did not incorporate later rabbinic laws and commentaries that had not reached Ethiopia.[9] Recognition of Ethiopian Jews by the Israeli rabbinate in 1975 helped pave the way for mass immigration.[9] A 2020 proposal concerning people waiting in Ethiopia distinguishes Beta Israel from descendants of Ethiopian Jews whose ancestors converted to Christianity, while also noting family ties and an often unclear boundary between the groups.[10]

That proposal places conversions during the hardship of “Kefu-Ken,” the period from 1888 to 1892 marked by famine and epidemics.[10] It describes descendants returning to Judaism from the 1950s, a strengthening of that movement around Operation Moses, and relocation from about 1990 to urban communities such as Gondar and Addis Ababa, where some adopted Orthodox Jewish practices.[10]

Rabbinic discussions apply Zera Yisrael to the practical question of whether Jewish lineage should affect a court’s willingness to accept a prospective convert and its assessment of conversion requirements.[6] Rabbi Mordechai Yaakov Briesh’s position distinguishes a desire for Jewish nationality without acceptance of the commandments, which he regarded as insufficient, from a genuine intention to convert where marriage supplies the motive.[6] Rabbi David Tzvi Hoffman, addressing a particular family situation, supported acceptance and instruction as a way to avert a continuing prohibition and help children grow up in Jewish practice.[6]

Some conversion programs provide shorter courses for people classified as Zera Yisrael, including individuals who have grown up in Israeli educational institutions.[11] In one reported program, conversion of minors with Jewish fathers and non-Jewish mothers could involve a meeting about family life and the parents’ commitment to raise the child as Jewish rather than instruction in Jewish traditions.[11] The practical importance of conversion extends beyond immigration: in a 2014 explanation, Rabbi Shmuel Shapira stated that people in this category might qualify under the Law of Return but could not marry through Israel’s religious marriage system without conversion.[12]

Military service provides another setting for conversion.[13] In a 2010 essay, Rabbi Benny Lau discussed thousands of soldiers from the former Soviet Union who had grown up with Jewish identities, many with Jewish fathers and non-Jewish mothers, and described the military Nativ program, through which soldiers could study Judaism alongside their service before appearing before a conversion court.[13] Lau argued that family ties and a shared fate with the Jewish people supported a welcoming conversion path.[13]

A 2023 report described a soldier identified as A. who had spent more than ten months in a military conversion process and then fought for more than two days in Gaza-border communities.[14] After he requested an expedited final stage, a military conversion court arranged a special hearing and completed his conversion that day.[14] During the war, the military rabbinate also received numerous conversion requests and called up additional conversion judges.[14]

The scale of conversion policy has been discussed against successive waves of immigration.[4] One estimate placed the number of Russian immigrants arriving in the late 1980s at about 800,000, including 200,000–300,000 who were not Jewish under halakhah.[4] The Neeman Committee proposed a special conversion court and a preparatory institute offering courses from different Jewish streams; the Cabinet and Knesset endorsed the proposal, but the Chief Rabbinate did not, and it was not implemented.[4]

In a 2022 opinion article, Netanel Fisher described close to half a million non-Jewish immigrants and their descendants in Israel, most with Jewish backgrounds, including tens of thousands born in Israel.[15] He reported that 100,000 people had begun conversion classes over the preceding two decades, with about one-third completing the process successfully.[15] Fisher presented these figures in support of a reform proposal that would add dozens of authorized conversion rabbis to the approximately 25 then holding that authority.[15]

Ethiopian family reunification has involved a separate sequence of government decisions and organized aliyah.[1] From June 2008, immigration facilitation continued at the Israeli government’s request for people described as Zera Israel from Ethiopia.[1] In November 2015, the government announced an intention to bring up to 9,000 Ethiopians by 2020; in 2020, it approved an additional group of approximately 2,000.[1] Some people waiting had been separated from relatives in Israel for more than a decade while maintaining Jewish identity and practices.[1]

Operation Zur Israel began in November 2020, and its first phase brought 2,150 Ethiopian immigrants on nine flights.[1] That phase ended in March 2021; a continuation announced in November 2021 began in 2022, with coordination to reunite 3,000 Ethiopians with their families and a first group flight arriving on June 1, 2022.[1][16] One participating family was that of Yaliganesh Addis, who had remained in Ethiopia with her husband and children while relatives moved to Israel; after a decade of waiting, the family received approval and reunited in Israel.[16]

The 2020 proposal estimated that about 50,000 people from the Ethiopian community it called Zera Yisrael had been brought to Israel since 1993.[10] It estimated that those immigrants and their children represented close to half of the 155,000 Israelis of Ethiopian origin then living in Israel, and described conversion after arrival as part of their immigration process.[10] These figures concern that proposal’s community definition and period, rather than a total for all people described as Zera Yisrael.[10]

A survey of 456 Hebrew-speaking Jewish Israeli adults found that 71% regarded soldiers who were Zera Yisrael as part of the Jewish people, while 22% opposed that view.[17] In the same nationwide representative sample, 67% supported accelerated conversion for soldiers who wanted to convert, compared with 21% opposed.[17] The survey addresses social belonging and attitudes toward conversion rather than determining religious status.[17]

Amsalem’s advocacy connects conversion with Jewish historical continuity and participation in Israel’s national life.[5] A Jewish Review of Books essay presents his argument as specifically concerning Israelis born to Jewish fathers and non-Jewish mothers, rather than the diaspora or people with two non-Jewish parents.[5] In that account, he regards immigration to Israel as an expression of willingness to share the Jewish people’s fate and destiny, supporting a welcoming response when those immigrants seek conversion.[5]

In a separate opinion essay, Amsalem applies Zera Yisrael to descendants of Spanish anusim and Russian immigrants of Jewish descent, while affirming that they require conversion.[18] He attributes to some medieval sages the idea that such descendants retain “the holiness of Israel,” and invokes Rabbi Tzadok Hacohen Rabinowitz of Lublin’s interpretation of Isaiah’s “lost ones” as people who would rejoin the Jewish people through conversion after a return to the homeland.[18] Amsalem uses this reading to argue for actively helping Jewish-descended immigrants convert.[18] In another opinion essay, Rabbi Shlomo Riskin cites Rabbi Moshe Isserles and Rabbi Moshe Margolies as precedents for the terminology and presents Uziel as supporting efforts to bring these descendants closer to Judaism.[19]

The distinction between religious status and state recognition also appears in Israeli law.[20] The 1970 Supreme Court case concerning Benjamin Shalit’s children addressed registration rather than personal status; subsequent legislation required birth to a Jewish mother or conversion for registration as Jewish.[20] On March 1, 2021, the Supreme Court ruled 8–1 that people who converted in Israel through Reform or Masorti Judaism had a right to citizenship, addressing a distinction between conversions performed abroad and those performed in Israel.[4]

An Israeli public advisory committee treated Zera Israel as a halakhic topic relevant to populations with an affinity to the Jewish people.[21] Its report distinguished Law of Return eligibility from halakhic status, noting that descendants through a Jew’s third generation might qualify without being Jewish, while some halakhically Jewish people might be ineligible.[21] It also identified a lack of clear state-policy guidelines toward affinity communities at the time of the report; its broader population estimates were not estimates of Zera Yisrael alone.[21]

The central religious disagreement concerns whether Jewish lineage and national belonging should influence conversion standards, particularly the required acceptance of the commandments.[6][7] An essay in the Jewish Review of Books characterizes the nationalist reasoning associated with Zera Yisrael as a minority rabbinic position and describes disagreement even among more pragmatic authorities about the minimum commitment required.[7] Jewish ancestry does not, in these discussions, simply replace conversion or establish an independently accepted religious status.[2][6]

Ethiopian applications involve additional historical and policy disputes.[9][10] Historians disagree over whether people often called Falash Mura descended from converts to Christianity or from people who left the Jewish fold without adopting another religion, and whether conversions reflected socioeconomic motives or coercion.[9] An estimate of as many as 30,000 people concerned that particular ancestry and family-reunification category, not everyone described as Zera Yisrael.[9]

Accounts also differ over the legal basis for Ethiopian immigration: one describes facilitation under the 1970 Law of Return amendment, while the 2020 proposal describes entry under the Entry into Israel Law and specific government decisions.[1][10] In a 2018 opinion article, Rabbi Yoel Bin-Nun argued for applying the Law of Return more broadly to Ethiopian descendants, including recognition of lineage up to seven generations, and criticized an emphasis on maternal descent in government criteria.[22] His position was an argument for changed recognition, rather than a statement of generally accepted eligibility rules.[22]