Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: William (III) de Briouze.
This relationship is given by Turner (ODNB). Orpen (2:319) cites evidence for it.
Mother: Matilda de St Valéry.
This relationship is given by Turner (ODNB).
Spouse: Walter de Lacy.
This relationship is given by Turner (ODNB) and by Holden.
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project.)
Gilbert de Lacy (died 1230) married Isabel.
Egidia de Lacy married (1) Richard de Burgh; married (2) Richard de Rochester.
Pernel de Lacy married (1) Raoul de Tosny; married (2) Guillaume de Saint-Omer.
Other sons and daughters.
References
Holden, Brock.W. Lords of the Central Marches: English Aristocracy and Frontier Society, 1087-1265. (Oxford University Press, 2008).
Orpen, Goddard Henry. Ireland under the Normans: 1169-1216 vol. 1, vol. 2 (Oxford: Clarendon Press, 1911).
Turner, Ralph V. “Briouze, William (III) de (d. 1211)” in The Oxford Dictionary of National Biography (Oxford University Press, 2004).