Complex sentence: Milton Berlinger was born to a Jewish family in a five-story walkup at 68 West 118th Street in the Harlem neighborhood of Manhattan, he chose Milton Berle as his professional name when he was 16.
Split into simpler sentences: Milton Berlinger was born into a Jewish family in a five-story walkup at 68 W.118th Street in the Harlem neighborhood of Manhattan. He chose Milton Berle as his professional name when he was 16.