Complex sentence: Lorian Hemingway (1952 -), grandaughter of Ernest Hemingway and daughter of Gregory Hemingway, is an American author whose books have been nominated for the Pulitzer Prize and the National Book Award.
Split into simpler sentences: Lorian Hemingway (born 1952) is the granddaughter of Ernest Hemingway and daughter of Gregory Hemingway. She is an American author whose books have been nominated for the Pulitzer Prize and the National Book Award.