| John (Lord of Shere Justictar of Ireland) FitzGeoffrey de Mandeville | |
| B: | 1205 |
| D: | 1258 |
|
| Adeline De Clare |
| Adeline De Clare | |
| B: | 1175 |
| Tunbridge, Kent, England | |
| D: | 1225 |
| Geoffrey (1st Earl of Essex) FitzPiers Mandeville | |
| B: | 1162 |
| Walden, Essex, England | |
| M: | May 1205 |
| D: | 14 October 1213 |
| Bur Shouldham Priory, Norfolk, England | |