Nicholai Olivia Hilton ("Nicky") was born in New York City, into the Hilton family, and has three siblings, older sister Paris Hilton, and younger brothers Barron Hilton and Conrad Hilton. She is the daughter of Kathy Hilton (née Kathleen Elizabeth Avanzino) and businessman Rick Hilton, and a great-granddaughter of hotel magnate Conrad Hilton. She ...