Lord of Briouze in Normandy and of Bramber, Sussex.
William was sheriff of Hereford from Easter, 1173 to 1175. He was living in 1179. (CP 1:21)
Events
Date of Birth: unknown.
Date of Death: probably in the last few months of 1175.
Rowlands (pp. 123-126) argues for this date. The VCH of Sussex (sub Bramber Rape, 6:1:1-7) gives about 1192.
Relationships
Father: Philip de Briouze.
This relationship is given by Turner (ODNB), by Keats-Rohan (p. 346), and the Complete Peerage (1:21).
Mother: Aenor, daughter of Juhel of Totnes.
This relationship is given by Turner (ODNB), by Keats-Rohan (p. 346), and the Complete Peerage (1:21).
Spouse: Bertha of Hereford. Married in or before 1150.
This relationship is given by Turner (ODNB), by Keats-Rohan (p. 346), and the Complete Peerage (1:21). The date is given by the Complete Peerage.
Children:
William de Briouze (died 1211) married Matilda de St Valéry.
Sibyl de Briouze married William de Ferrers, third earl of Derby.
References
“Bramber Rape” in A History of the County of Sussex Volume 6, Part 1, (T P Hudson (ed.), A P Baggs, C R J Currie, C R Elrington, S M Keeling, A M Rowland), (Victoria County History, 1980).
Chartes Normandes de L’Abbaye de Saint-Florent près Saumer, (Paul Marchegay ed.) (Les Roches-Baritaud, Vendée, 1879).
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.
Keats-Rohan, Katharine S. B. Domesday Descendants: A Prosopography of Persons Occurring in English Documents 1106 - 1166. (Woodbridge: 2002).
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).
Turner, Ralph V. “Briouze, William (III) de (d. 1211)” in The Oxford Dictionary of National Biography (Oxford University Press, 2004).