Nicholai Olivia 'Nicky' Rothschild (née Hilton; born October 5, 1983) is an American socialite, fashion designer and model. She is a member of the Hilton family by birth, and a member of the Rothschild family through her marriage to James Rothschild, a grandson of Victor Rothschild, 3rd Baron Rothschild, in 2015. Hilton was born in New York City and raised in Los Angeles. She is the younger daughter of Richard Hilton -- a grandson and heir of Conrad Hilton -- who works as a realtor, and of Kathy Hilton (née Avanzino), a former actress and half-sister of Kim and Kyle Richards. Hilton was named for her granduncle, Conrad 'Nicky' Hilton Jr. She is the second of four children: she has an older sister, Paris Hilton (born 1981), and two younger brothers, Barron Hilton II (born 1989) and Conrad Hilton III (born 1994). (Source: Wikipedia.org, CC BY-SA)