23. Nicky Hilton
Net Worth: $20 million*
Wealth Inherited From: Hilton Hotels
Nicky Hilton is a well-known heiress, fashion designer, and entrepreneur. She is the sister of Paris Hilton and an inheritor of the Hilton Hotels legacy. Born in New York City, she studied at the Convent of the Sacred Heart. She is wed to James Rothschild, a descendant of the Rothschild dynasty.

Nicky has also been employed as a model. It was her fashion design venture that really flourished. She has a range of handbags called Nicholai and she also has handbag lines for eLuxe and Samantha Thavasa. Her collections have been showcased during New York Fashion Week.