Raine Spencer nasceu o 9 de setembro de 1929 em Westminster, Londres, Inglaterra. Foi casada com Jean-Francois de Chambrun, Earl John Spencer e Gerald Legge. Morreu o 21 de outubro de 2016 em Londres, Inglaterra.
Has four children with her first husband Gerald Legge: William (born September 23, 1949), Rupert (born January 1, 1953), Charlotte (born July 16, 1963), and Hon (born December 28, 1968).