Birth Name: Jacob Pavlovich Kogan
Place of Birth: New York City, New York, U.S.
Date of Birth: May 28, 1995
Ethnicity: Ashkenazi Jewish, as well as possibly 1/8th ethnic Russian
Jacob Kogan is an American actor. He is the son of Deborah (Copaken) Kogan, an author and photojournalist, and Paul Kogan, a former child actor. His mother, who is American, is Jewish (from a family from Ukraine, Russia, Romania, Lithuania, and Austria). His father is a Russian immigrant of either mostly or entirely Jewish background.
Jacob’s paternal grandfather was named Pavel Sokolov. Pavel’s mother was Jewish (it is not clear if Pavel’s father was of ethnically Russian descent, or possibly Jewish).
Jacob’s paternal grandmother was named Rachel Kogan. Rachel was Russian Jewish.
Jacob’s maternal grandfather was Richard Daniel Copaken (the son of Albert Copaken and Sylvia Wienshienk). Albert was born in Guberniya, Ukraine, the son of Morris Copaken/Kopeykin and Sarah Gettel Keirman/Cherman. Sylvia was born in Missouri, the daughter of Charles Wienshienk, who was born in Kotezan, Romania, and to Rebecca Schultz/Shieltz, who was born in Vilna, Lithuania.
Jacob’s maternal grandmother is Marjorie Ann Schwartz (the daughter of David Schwartz and Kate Livenstein Zera). David was born in Austria.
Source: Genealogy of Jacob Kogan – http://www.geni.com