Nicholai Olivia Nicky Rothschild is an American fashion designer, socialite, and model. She is a member of the Hilton family by birth, and a member of the aristocratic Rothschild family through her marriage to James Rothschild in 2015.
Hilton was born in New York City and raised in Los Angeles. She is the daughter of Richard Hilton, a hotel heir of the Hilton family who works as a businessman in real estate and Kathy Hilton , a former actress and half sister of Kim and Kyle Richards. Hilton was named after her greatuncle, Conrad Nicholson Hilton, Jr. She is the second of four children she has an older sister, Paris Whitney Hilton , and two younger brothers, Barron Nicholas Hilton II and Conrad Hughes Hilton III .
Source: Wikipedia