
| Name | Guillaume (William) Count Mortain & Boulog | |
| Suffix | [PRINCE OF ENGLA | |
| Birth | Abt 1139 | Of, BLOIS, Loir-et-Cher, France |
| Gender | Male | |
| _UID | 7173C6DAD99ECF48877D7787F0723C55073A | |
| Death | 11 Oct 1159/1160 | , TOULOUSE, Haute-Garonne, France |
| Burial | , Montmorillon, Vienne, France |
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| Person ID | I5580 | Ken Tree |
| Last Modified | 3 Nov 2019 | |
| Father | Stephen (Etienne) King England, b. Abt 1095/1096, Of, BLOIS, Loir-et-Cher, France d. 25 Oct 1154, St. Martin's Pri, DOVER, Kent, England (Age 58 years) | |
| Mother | Mathilde I Countess Boulogne, [QUEEN OF ENGLAN, b. Abt 1105, Of, BOULOGNE, Pas-De-Calais, France d. 3 May 1151, Hevringham Castl, , Essex, England (Age 46 years) | |
| Marriage | Bef 1125 | |
| _UID | 775366FA91CBE54582E8AA3B6B4759DFE914 | |
| Family ID | F3190 | Group Sheet | Family Chart |
| Family | Isabel De Warenne, b. 1137, , , Surrey, Eng d. 13 Jul 1199, , Lewes, Sussex, England (Age 62 years) | |
| Marriage | 1153 | |
| _UID | 7C3BB0F0B8BFC24DB69FE45C6BE244D5D8FF | |
| Family ID | F3356 | Group Sheet | Family Chart |
| Last Modified | 1 Apr 2026 | |
| Notes |
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