Birth Name: Jonah Ethan Blechman
Place of Birth: San Mateo, California, United States
Date of Birth: February 8, 1975
Ethnicity: Ashkenazi Jewish
Jonah Blechman is an American actor. He appeared in This Boy’s Life, playing Leonardo DiCaprio’s character’s friend.
His parents are both Jewish.
Jonah’s paternal grandfather was named Sylvan B. Blechman (the son of Gus Blechman and Mary). Sylvan was born in Pennsylvania, to Russian Jewish parents.
Jonah’s paternal grandmother was named Lenora B. Lippman. Lenora was born in Washington, D.C.
Jonah’s maternal grandfather was Sigmund Lang (the son of Max Lang-Fuld and Karolina “Lina” Straus). Sigmund was a German Jewish immigrant. Karolina was the daughter of Samuel Straus, who was born in Heidelberg, Karlsruhe, and of Wilhelmina Reis, who was born in Bad Rappenau, Stuttgart, both in Baden-Württemberg.
Jonah’s maternal grandmother was Rose/Rosa Sara Israel (the daughter of Marx/Max Israel and Sophie Kaufmann). Rose was born in Waldbrunn, Karlsruhe, Baden-Württemberg, Germany, to a Jewish family.
Sources: Obituary of Jonah’s paternal grandmother, Lenora B. Lippman Blechman – https://www.washingtonpost.com
Genealogies of Jonah’s maternal grandparents, Sigmund Lang and Rose/Rosa Sara Israel – https://www.geni.com