| Spouse | Beatrix De Mandeville Countess of Essex (1105 - 1197) |
| Child | William II de Say (1133 - 1177) |
| Child | Geoffrey De Saye Lord of West Greenwich (1135 - 1214) |
| Child | Maud De Say (1141 - ) |
| Child | Hugh Talbot (1124 - ) |
| Child | Wiliam Talbot (1124 - 1178) |
| Child | Gilbert Detalbot (1150 - 1163) |
| Child | Beatrice De Saye (1172 - ) |
| Child | Ingram De Saye (1090 - ) |
| Child | Geoffrey (1132 - ) |
| Child | William de Say * (1135 - ) |
| Child | Beatrice (1143 - ) |
| Child | Geoffrey (1165 - 1215) |
| Child | Geoffrey De Saye (1165 - ) |
| Child | De Saye (1166 - ) |
| Child | Miss De Saye (1166 - ) |
| Child | Miss Desaye ( - ) |
| Child | Baron William Of Saye (1178 - 1211) |
| Child | Beatrix De Saye ( - ) |
| Child | William De Say (1137 - ) |
| Child | Lord Geoffrey De Hausselyn of Shelford (1050 - 1068) |
| Child | Earl William De Saye II (1134 - 1177) |
| Child | William De Say (1126 - 1177) |