Complex sentence: Her father, Alfred, was a wealthy businessman in the silk industry; her mother, Renée, the daughter of a Swiss general and descended from German aristocracy, was a prominent hostess, horsewoman and photographer.
Split into simpler sentences: Her father, Alfred, was a wealthy businessman in the silk industry. Her mother, Renée, the daughter of a Swiss general and descended from German aristocracy, was a prominent hostess, horsewoman and photographer.