William DE BRAOSE, 10th Lord of Abergavenny
(1112-Bef 1193)
Bertha DE GLOUCESTER, Heiress of Brecon
Bernard IV DE SAINT-VALÉRY of Beckley & Horton
Maud (Matilda)
(Abt 1120-Abt 1151)
William DE BRAOSE, 11th Lord of Abergavenny
Mathilde DE SAINT-VALÉRY, Dame la Haye
William "The Younger" DE BRAOSE, 4th Lord of Bramber
(Abt 1175-1211)


Family Links

Matilda DE CLARE

William "The Younger" DE BRAOSE, 4th Lord of Bramber

  • Born: Abt 1175, Bramber, Sussex, England & Gower, Wales
  • Married: Bef 1196
  • Died: 9 Aug 1211, Corbeil, Marne, Champagne, France
  • Buried: 10 Aug 1211, Abbey of St. Victor, Paris, France

  Orthographic variation: DE BRIOUSE.

  General Notes:

Compiler's 21 x great-grandfather

  Research Notes:

William, who perished by starvation with his mother at Windsor m. Maud, dau. of the Earl of Clare, with whom he had the town of Buckingham, in frank marriage, and left a son, John. 1


"Willelmus de Braosa dominus de Brechen" donated property to Flaxley Abbey, Gloucestershire, for the souls of "uxoris meæ Matildis de Sancto Walerico et puerorum nostrorum", by undated charter, witnessed by "Willelmo et Philippo filiis meis".

Matthew Paris records that "uxorem Willelmi de Brause et Willelmum filium eius cum uxore sua" were captured in 1210 at the siege of Meath, but escaped, were captured again “in insula de May”, and imprisoned at Windsor, in a later passage recording that all four died “apud Windleshores”. The Annals of Waverley record that “Matildis matrona nobilis cognomento de la Haie, uxor Willelmi de Braose” was captured with “Willelmo filio suo milite…in Galwaitha” in 1210 and starved to death “apud Windeshores”. A manuscript which narrates the descents of the founders of Lanthony Abbey records that “Mathildis uxor eius et Willielmus filius eorum” (referring to William, son of “Willelmo Brewes” and his wife “Berta…comitis Milonis secunda filia”) were imprisoned by King John and died in prison. The Annals of Dunstable record that “Willelmum de Brause juniorem et sororem eius et Matildam matrem eius” were captured in Ireland in 1210 by King John, adding that they later died in prison. A charter of John King of England relating to Briouse properties, dated 1212, recites the history of the king’s turbulent relationship with the family and includes a record that “consanguineus de Galweya...Dunecanus de Karyc” had “apud Cracfergus” at some point (presumably in [1209/10]) captured “Matildis de Haya...et filiam suam uxorem filii Rogeri de Mortimer et...Willelmum juniorem et uxorem suam et duos filios suos”. The 13th century Histoire des ducs de Normandie et des rois d’Angleterre records that "Mehaus sa feme [Guillaumes de Braiouse] et Guillaumes ses fils" fled from King John to Ireland where they were captured at "le castiel de Cracfergu", taken to England, and imprisoned at "el castiel del Corf" where they were starved to death. 2

  Marriage Information:

William married Matilda DE CLARE, daughter of Richard DE CLARE MCS, 3rd Earl of Hertford and Amice Fitzrobert DE MELLENT Countess of Gloucester (1183-1224), before 1196. The marriage ended in divorce. (Matilda DE CLARE was born est 1185 in Lincoln, Lincolnshire, England and died in 1249.)


1 Dormant, Abeyant, Forfeited, and Extinct Peerages, Burke's Peerage, Sir Bernard Burke, (Burke's Peerage, Ltd., London, 1883), p. 72, Braose, Baron Braose, of Gower.

2 Foundation for Medieval Genealogy: William [IV] de Briouse.

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