William I De Say
- 1144
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| Maud (Countess of Essex) De Mandeville | |
| D: | 27 Aug 1236 |
| Henry (1st Earl of Hereford) De Bohun | |
| D: | 1 Jun 1220 |
 | Henry (Dean of Wolverhampton) De Mandeville -Yes, date unknown |
| Henry (Dean of Wolverhampton) De Mandeville | |
| D: | Yes, date unknown |
| Geoffrey (4th Earl of Essex) De Mandeville | |
| D: | 12 May 1243 |
| Maud Fitzwauter -Abt 1212 |
| Maud Fitzwauter | |
| D: | Abt 1212 |
| Dunmow Priory | |
| Isabel Countess of Gloucester Bef 1176-1217 |
| Isabel Countess of Gloucester | |
| B: | Bef 1176 |
| M: | Jan 1213-1214 |
| D: | 14 Oct 1217 |
| Beatrice De Say -Bef 1197 |
| Beatrice De Say | |
| D: | Bef 19 Apr 1197 |
| Geoffrey (4th Earl of Essex) Fitzpiers | |
| M: | Bef 25 Jan 1184 |
| D: | 14 Oct 1213 |
| Maud De Say -Yes, date unknown |
| Maud De Say | |
| D: | Yes, date unknown |
| William II De Say -1117 |
| William II De Say | |
| D: | 1 Aug 1117 |
| Aufrica of Scotland -Yes, date unknown |
| Aufrica of Scotland | |
| D: | Yes, date unknown |
| William III De Say -Bef 1272 |
| William III De Say | |
| D: | Bef 12 Feb 1272 |
| Mary -Yes, date unknown |
| Mary | |
| D: | Yes, date unknown |
| Sibyl -Yes, date unknown |
| Sibyl | |
| D: | Yes, date unknown |
| Geoffery II De Say Abt 1155-1230 |
| Geoffery II De Say | |
| B: | Abt 1155 |
| D: | 1230 |
| Alice De Cheney De Caisneto -Yes, date unknown |
| Alice De Cheney De Caisneto | |
| D: | Yes, date unknown |
| Margery Briwerre -Yes, date unknown |
| Margery Briwerre | |
| D: | Yes, date unknown |
| Geoffery I De Say Abt 1135-1214 |
| Geoffery I De Say | |
| B: | Abt 1135 |
| D: | 19 May 1214 |
| Alice Maminot Abt 1123-Bef 1199 |
| Alice Maminot | |
| B: | Abt 1123 |
| West Greenwich, Kent, England | |
| D: | Bef 1199 |
| Alice De Vere -1217 |
| Alice De Vere | |
| D: | 28 Oct 1217 |
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| William I De Say -1144 |
| William I De Say | |
| D: | Aug 1144 |
| Siege Of Burwell Castle | |
| Beatrice De Mandeville -Bef 1197 |
| Beatrice De Mandeville | |
| D: | Bef 19 Apr 1197 |