Place of Birth: Queens, New York City, New York, U.S.
Date of Birth: December 6, 1967
Ethnicity: Ashkenazi Jewish
Judd Apatow is an American director, writer, producer, actor, and comedian. He is married to actress Leslie Mann. They have two daughters, Maude Apatow and Iris Apatow, who have co-starred in most of Judd’s films.
Judd’s parents were both Jewish (their families were from Ukraine, Russia, and Belarus).
Judd’s paternal grandfather was named Leo Apatow (the son of Morris Apatow and Mary). Leo was born in New York, to parents from Kiev, Ukraine.
Judd’s paternal grandmother was named Belle. Belle was born in Russia.
Judd’s maternal grandfather was Robert Abraham/Aba “Bob” Shad, a producer (born Abraham Shadrinsky, the son of Charles Shadrinsky and Tillie Monisoff/Monosow). Robert was born in New York. Charles was born in Vitebsk Province, Belarus, the son of Moses Shadrinsky and Chana. Tillie was also born in the Russian Empire, the daughter of Abraham Monisoff and Hannah Kornicoff.
Judd’s maternal grandmother is named Molly. Molly appeared in Judd’s film This Is 40 (2012), playing the grandmother of Paul Rudd’s character.
Source: Genealogy of Judd Apatow – https://www.geni.com