Caroline Lee Radziwiłł (née Bouvier, formerly Canfield and Ross; March 3, 1933 – February 15, 2019), usually known as Princess Lee Radziwiłł, was an American socialite, public-relations executive, and interior decorator. She was the younger sister of First Lady Jacqueline Bouvier Kennedy and sister-in-law of President John F. Kennedy. Her niece, Caroline Bouvier Kennedy, was named after her. Radziwiłł was married three times, with the marriage to third husband Herbert Ross ending in divorce sho ...