Complex sentence: Born to an upper-class family, David rebelled against social norms of the day, and studied art in Paris, became an actress, and ran off with a married man with whom she set off in a small boat to sail to Greece.
Split into simpler sentences: Born to an upper-class family, David rebelled against social norms of the day. She studied art in Paris, became an actress, and ran off with a married man with whom she sailed in a small boat to Greece.