Lord of Briouze, Bramber, Brecon, Over Gwent, etc.
William was a powerful marcher lord under Richard I and King John. His downfall was caused by his knowledge of the circumstances surrounding King John’s murder of Arthur of Brittany. King John confiscated William’s lands, and imprisoned and deliberately starved to death William’s wife, Matilda, and his eldest son, William. (Turner, ODNB)
Events
Date of Birth: unknown.
Date of Death: 4 September 1211.
Place of Death: Corbeil, outside Paris.
The date and place are given by Turner (ODNB). The Complete Peerage (1:22) gives the date as 9 August, 1211.
Place of Burial: the Abbey of St. Victor at Paris.
The place is given by the Complete Peerage (1:22), which gives the date as 10 August 1211.
Relationships
Father: William de Briouze.
This relationship is given by Turner (ODNB), by Holden, and by the Complete Peerage (1:22).
Mother: Bertha of Hereford.
This relationship is given by Turner (ODNB) and by Holden.
Spouse: Matilda de St Valéry (died 1210).
This relationship is given by Turner (ODNB), by Holden, and by the Complete Peerage (1:22).
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Most of the information below comes from Turner.)
William de Briouze (died 1210 in prison) married Matilda de Clare before 1197.
Giles de Briouze (died November 1215). Bishop of Hereford.
Reginald de Briouze (died 1227/8) married (1) Graecia Brewer; married (2) Gwladus ferch Llywelyn ab Iorwerth.
John de Briouze married Mabel de Limesy.
Philip de Briouze married Matilda de Pont de l’Arche.
Bertha de Briouze married William (II) de Beauchamp.
Margaret de Briouze married Walter de Lacy, lord of Weobley, Herefordshire, and of Meath, Ireland.
Annora de Briouze married Hugh de Mortimer, baron of Wigmore, Herefordshire.
Matilda (Maud) de Briouze married Gruffudd ap Rhys.
Loretta de Briouze married Robert de Breteuil, 4th earl of Leicester.
References
Cokayne, George Edward, and Vicary Gibbs; et al. The complete peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, extant, extinct, or dormant [2nd ed.]. (London: St. Catherine Press, 1910-59) Volume 1.
Holden, Brock.W. Lords of the Central Marches: English Aristocracy and Frontier Society, 1087-1265. (Oxford University Press, 2008).
Rowlands, I.W. “William de Braose and the Lordship of Brecon” in The Bulletin of the Board of Celtic Studies 30 (i) (University of Wales Press, 1982).
“Tetbury:Manors and other estates” in A History of the County of Gloucestershire: Volume 11 (Victoria County History, 1976).
Turner, Ralph V. “Briouze, William (III) de (d. 1211)” in The Oxford Dictionary of National Biography (Oxford University Press, 2004).