| HUSBAND Earl Jean DU PLESSIS940 |
| | Birth | about 1207 | Poitou-Charentes, France940 |
| Emigration | 1217 | France to England940 |
| Occupation | 30 May 1234 | Warden in the forest of Chippenham; Wiltshire, England940 |
| Occupation | 1239–1240 | Sheriff of Oxfordshire; England940 |
| Occupation | 24 June 1244 | Constable of the Tower of London; London City, London, England940 |
| Title | 1247–26 February 1263 | 7th Earl of Warwick; England940 |
| Occupation | 1250 | Governor of Devizes Castle; Devizes Castle, Devizes, Wiltshire, England940 |
| Death | 26 February 1263 | Hook Norton, Oxfordshire, England940 |
| Burial | | Missenden Abbey, Great Missenden, Buckinghamshire, England940 |
| Occupation | | domestic servant in the court of King Henry III; England940 |
| Marriage | 1234 | England941 |
| Father | Guillaume DU PLESSIS |
| Mother | [fnu] [LNU] |
| WIFE Countess Christiana DE STANFORD944 |
| | Birth | about 1207 | North Moreton, Berkshire, England944 |
| Death | 25 December 1242 | Kidlington, Oxfordshire, England944 |
| Father | Hugh DE SANFORD |
| Mother | Joan DE NOERS |
| CHILDREN |
M | Sir Hugh DU PLESSIS942 |
| | Birth | about 1237 | Arundel Castle, Arundel, West Sussex, England942 |
| Death | 7 July 1292 | Hook Norton, Oxfordshire, England942 |
| Occupation | | Lord of Headington; Headington, Oxfordshire, England942 |
| Title | | Baron of Arundel; Arundel, Sussex, England942 |
| Title | | Knight; England942 |
| Marriage | 1278 | Joan DE HOYVILLE; England943 |