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The project's ongoing knowledge base of rabbinical yDNA signatures is available here: https://www.xyvy.info/service/yDNARabbinical.htm (last updated: 11 May 2024; currently 107 lineages indexed; 19 lineages still being sought). The compilation is derived from research work published by others on GENI and elsewhere. Using evidence provided by these researchers, and some additional investigation, the project manager applies a rough Level of Certainty (LOC) score to each claimed signature. Researchers may correct or upgrade any LOC score by providing the necessary facts and sources to the project manager.
IMPORTANT NOTICE TO ALL: PLEASE DO NOT ADD MORE THAN ONE PROFILE TO THIS PROJECT FROM ANY GIVEN RABBINICAL LINEAGE. FOR EXAMPLE, SINCE MEIR WAHL IS ALREADY IN THE PROJECT, WE DO NOT NEED HIS SON SHAUL WAHL (OR ANY OTHER PATRILINE DESCENDANTS). UNNECESSARY PATRILINE DESCENDANT PROFILES WILL BE REMOVED SO WE ARE NOT INUNDATED WITH PROFILES. THE ONE EXCEPTION TO THIS IS WHEN A PROJECT MEMBER IS SEEKING TO CONFIRM WHETHER TWO DESCENDING BRANCHES ARE IN FACT DESCENDANTS OF THE SAME COMMON PATRILINE ANCESTOR (IF THIS IS THE CASE THEN PLEASE MAKE A NOTE OF IT IN A NEW PROJECT DISCUSSION POST SO OTHERS KNOW NOT TO REMOVE THE DUPLICATIVE PROFILES).
NOTE: THE PROJECT IS SEEKING DESCENDANTS OF CERTAIN KEY FAMILIES FOR FREE GENETIC TESTING. PLEASE SEE THE DOCUMENT 'YDNA_SEEKING.PDF' FROM THE 'PHOTOS AND DOCUMENTS PAGE' FOR DETAILS.
SUMMARY
Rabbinical genealogy presents a unique record of a nation without a homeland for thousands of years. These genealogies are useful for general genealogical purposes because not all rabbinical family members become rabbis. Rabbinical records are in many instances the only records available for periods prior to about 1750. To bolster the utility and accuracy of these genealogies, the technique of yDNA haplogroup identification is key. YDNA haplogrouping not only may confirm paper genealogies, but can also help researchers without a clue to find their lineages on the basis of yDNA identity. In particular, persons researching Rabinovich, Rabin, Levi, Levin, Cohen, and Kagan, or the many variants of these surnames, should pay special attention to the Index as a potential source of genealogical information.
The purpose of this project is to identify the yDNA haplogroup of as many rabbinical lineages as possible. In some cases the identifications may be novel, in other cases, they may confirm what is already known, and in yet other cases, they may cause a re-examination of what was believed to be known.
Any male person can obtain their haplogroup using this test: https://www.yseq.net/product_info.php?cPath=27&products_id=56898&os... Female researchers may recruit male relatives for testing. This is the most inexpensive way to use the Index. Test interpretation guidance can be obtained via the discussion page of this project.