Birth Name: Kate Gordon Siegelbaum
Place of Birth: Silver Spring, Maryland, U.S.
Date of Birth: August 9, 1982
Ethnicity: Ashkenazi Jewish
Kate Siegel is an American actress and screenwriter.
She is married to director Mike Flanagan, with whom she has two children.
Kate’s maternal grandfather was named Samuel “Sam” Gordon.
Kate’s maternal grandmother was Isabelle/Isabella Poss (the daughter of Nathan Poss and Dora Jarnewsky/Janowsky). Isabelle was born in New York, to Russian Jewish parents. Nathan was the son of Isidore Poss and Frume Zelde. Dora was the daughter of Moses Jarnewsky and Leah Dunschowsky.
Sources: Kate’s maternal grandmother, Isabelle/Isabella Poss, on the 1930 U.S. Census – https://www.familysearch.org
Obituary of Kate’s maternal grandmother, Isabelle/Isabella Poss Gordon – https://brightonmc.com
Marriage record of Kate’s maternal great-grandparents, Nathan Poss and Dora Jarnewsky/Janowsky – https://www.familysearch.org