Biography
Humphrey Edmund de Trafford, 4th Baronet de Trafford, of Trafford Park, Lancashire, was born 30 November 1891 to Humphrey Francis de Trafford, 3rd Bt. (1862-1929) and Violet Alice Maud Franklin (1867-1925) and died 6 October 1971 of unspecified causes. He married Cynthia Hilda Evelyn Cadogan (1896-1966) 2 October 1917 .
Children
| Name | Birth | Death | Joined with |
| Ann de Trafford (1918-1987) | 14 July 1918 London, Greater London, England, United Kingdom | 22 January 1987 | Derek Henry Parker-Bowles (1915-1977) |
| Mary de Trafford (1920-2007) | 23 February 1920 | 28 October 2007 | Francis James Cecil Bowes-Lyon (1917-1977) |
| Violet de Trafford (1926-) | |||
| Catherine de Trafford (1928-) | |||
Footnotes (including sources)
| ‡ General |