Constance Edwina Cornwallis-West was born 16 May 1875 in Ruthin, Denbighshire, Wales, United Kingdom to William Cornwallis Cornwallis-West (1835-1917) and Mary Adelaide Virginia Eupataria FitzPatrick (1856-1920) and died 21 January 1970 New Forest District, Hampshire, England, United Kingdom of unspecified causes. She married Hugh Richard Arthur Grosvenor, 2nd Duke of Westminster (1879-1953) 16 February 1901 . She married John Fitzpatrick Lewes (1887-1965) 14 January 1920 .
|Offspring of Hugh Richard Arthur Grosvenor, 2nd Duke of Westminster and Constance Edwina Cornwallis-West (1875-1970)|
|Ursula Mary Olivia Grosvenor (1902-1978)|
|Edward George Hugh Grosvenor (1904-1909)|
|Mary Constance Grosvenor (1910-2000)|