Complex sentence: Born to a housepainter and dressmaker, Davis moved to Hollywood, California with his family when he was four, and began work in film as a child, getting bit parts to help his family financially.
Split into simpler sentences: Born to a father who was a housepainter and a mother who was a dressmaker, Davis moved to Hollywood, California with his family when he was four. He began work in film as a child, getting bit parts to help his family financially.