Birth Name: Issur Danielovitch
Place of Birth: Amsterdam, New York, U.S.
Date of Birth: December 9, 1916
Ethnicity: Ashkenazi Jewish
Kirk Douglas is an American actor, director, producer, and author. Kirk’s parents, Bryna (Sanglel) and Herschel “Harry” Danielovitch (aka) Demsky, were Belarusian Jews. In the United States, his family took on the surname Demsky.
Kirk has four children, two with his wife, German-born actress Anne Buydens, and two, including actor Michael Douglas, with his former wife, late actress Diana Dill. Anne is a convert to Judaism.
Among his grandchildren is actor Cameron Douglas.
Kirk Douglas (then Isadore Demsky) on the 1930 U.S. Census – https://familysearch.org