Complex sentence: Seymour was born in the Washington Heights neighborhood of New York City, a son of Joseph Durst, a Jewish immigrant from Gorlice, Galicia, Austria-Hungary (present-day Poland), and Rose Friedwald.
Split into simpler sentences: Seymour was born in the Washington Heights neighborhood of New York City. He is the son of Joseph Durst, a Jewish immigrant from Gorlice, Galicia, Austria-Hungary (present-day Poland), and Rose Friedwald.