| Father | William De Saye (1115 - 1144) |
| Mother | Beatrix De Mandeville Countess of Essex (1105 - 1197) |
| Sibling | William II de Say (1133 - 1177) |
| Sibling | Maud De Say (1141 - ) |
| Sibling | Hugh Talbot (1124 - ) |
| Sibling | Wiliam Talbot (1124 - 1178) |
| Sibling | Gilbert Detalbot (1150 - 1163) |
| Sibling | Beatrice De Saye (1172 - ) |
| Sibling | Ingram De Saye (1090 - ) |
| Sibling | Geoffrey (1132 - ) |
| Sibling | William de Say * (1135 - ) |
| Sibling | Beatrice (1143 - ) |
| Sibling | Geoffrey (1165 - 1215) |
| Sibling | Geoffrey De Saye (1165 - ) |
| Sibling | De Saye (1166 - ) |
| Sibling | Miss De Saye (1166 - ) |
| Sibling | Miss Desaye ( - ) |
| Sibling | Baron William Of Saye (1178 - 1211) |
| Sibling | Beatrix De Saye ( - ) |
| Sibling | William De Say (1137 - ) |
| Sibling | Lord Geoffrey De Hausselyn of Shelford (1050 - 1068) |
| Sibling | Earl William De Saye II (1134 - 1177) |
| Sibling | William De Say (1126 - 1177) |