JewishGen Databases JewishGen is the major presence of Jewish genealogy on the Internet. Its address is http://www.jewishgen.org. Jewish genealogists thorughout the world are compiling indexes to Jewish records which are easily accessable through search engines located at JewishGen. Shown above in the results of searching a list of voters living in Bialystok in 1912. Included are Yechaskel (line five shown as Khatskel), his son Zelig (line 3). Because the list also shows the given name of the voter's father, the list prvides two generations of information.