Apatow's mother is actress Leslie Mann and her father is director, producer, and screenwriter Judd Apatow. Her father's family is Jewish, whereas her maternal great-grandmother was of Finnish ancestry. [6] She has a younger sister, Iris Apatow, who is also an actress. [2]

Maude Apatow is an American actress. She is the daughter of actress and comedian Leslie Mann and director, writer, producer, and comedian Judd Apatow. Her sister is actress Iris Apatow. Her father is Ashkenazi Jewish.

Her paternal grandparents are Tamara Apatow (grandmother), and Maury Apatow (grandfather), a real estate developer. She has Ashkenazi Jewish, Irish, Finnish, Scottish, and German ancestry.