Gwendolen Prodgers was born 1869 in Kington St. Michael, Wiltshire, England, United Kingdom to Herbert Prodgers (1836-1917) and Emily Sibella Phillpotts (1836-1918) and died 2 March 1944 of unspecified causes. She married John Forbes-Sempill, 18th Lord Sempill (1863-1934) 22 June 1892 .
Children
| Name | Birth | Death | Joined with |
| William Francis Forbes-Sempill, 19th Lord Sempill (1893-1965) | |||
| Gwendolen Janet Forbes-Sempill (1897-1910) | |||
| Margaret Forbes-Sempill (1905-1966) | |||
| Ewan Forbes of Craigievar, Bt (1912-1991) | 6 September 1912 Scotland, United Kingdom | 12 September 1991 | Isabella Mitchell (c1913-2002) |
Siblings
Residences
Footnotes (including sources)
| ‡ General |