(Earl)William
De Mortaigne
Birth date:
Birth place:
,
,
,
Death date:
1140
Death place:
,
,
,
De Mortaigne Family
Parents:
| Father: | (Count)Robert De Burgo of Mortain |
| Mother: | Matilda de Montgomery |
Spouse:
| Spouse: | Isabell De Clare |
Siblings:
|
Agnes
of
Mortaigne
(Earl)William De Mortaigne |
Children:
|
Aldhelm
De
Burgo
Beatrice or Mabel FitzWilliam |
