 His parents met at the World Games for the Deaf in 1967 and split up when Kasher was nine years old.When Kasher was four years old, his father Steven, a former painter who was born to secular, communist Jewish parents, became a Hasidic Jew in the Satmar community in Brooklyn; Steven's grandfather, originally from Hungary, was a New Square Skverer Hasid.Kasher regularly spent summers with his father in Sea Gate, Brooklyn until his death — Kasher was 20 at the time.