Emily Rutherfurd

Janet Jennings Auchincloss Rutherfurd (June 13, 1945 – March 13, 1985) was an American socialite. She was the half-sister of the former First Lady of the United States, Jacqueline Onassis and socialite Lee Radziwill.

Lewis Polk Rutherfurd (born August 3, 1944) is an American-born financier who lives in Hong Kong. He was married to Janet Jennings Auchincloss, the half-sister of First Lady Jacqueline Lee "Jackie" Bouvier from 1966 until her death in 1985. In 1989, he married Katharine duPont Sanger, the granddaughter of Lammot du Pont II.