Richard de Montfichet was born on an unknown date to Richard de Montfichet (-1204) and Millicent Unknown and died 1267 of unspecified causes. He married Alice . He married Joyce .
Siblings
| Name | Birth | Death | Joined with |
| Richard de Montfichet (-1267) | 1267 | Alice Joyce | |
| Margaret de Montfichet | |||
| Aveline de Montfichet (1177-1239) | 1177 England | 1239 England | Wiliam de Vivonne (1175-1242) |
| Philippe de Montfichet | |||