Gillian Shakespeare Morris was born before 1962 to Thomas Richard Morris (bef1962) . He married William Rees-Mogg (1928-2012) 1961 .
Children
| Name | Birth | Death | Joined with |
| Emma Beatrice Rees-Mogg (1962) | 1962 | David William Hilton Craigie () | |
| Charlotte Louise Rees-Mogg (1964) | 1964 | ||
| Thomas Fletcher Rees-Mogg (1966) | October 1966 | Modwenna Vivien Hornby Northcote (1968) | |
| Jacob William Rees-Mogg (1969) | 24 May 1969 Hammersmith, London, England, United Kingdom | Helena de Chair (1977) | |
| Annunziata Mary Rees-Mogg (1979) | 25 March 1979 Bath, Somerset, England, United Kingdom | Matthew Glanville () | |
Siblings
| Name | Birth | Death | Joined with |
| Gillian Shakespeare Morris (bef1962) | |||