||Matilda (St Valéry) de Braose was a member of aristocracy in the British Isles.|
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Birth and Parents
Matilda (Maud) de St. Valerie was born circa 1138. 
Father Bernard IV de St. Valerie b. c 1117, d. 1190
She married William de Brewes, Lord of Abergavenny, Brecon, & Ower Gwent, Seigneur de Briouze, son of William de Brewes, Sheriff of Hereford and Berta of Hereford, circa 1167.
"Maud supported her husband's military ambitions and he put her in charge of Hay Castle and surrounding territory. She is often referred to in history as the Lady of Hay. In 1198, Maud defended Painscastle in Elfael against a massive Welsh attack led by Gwenwynwyn, Prince of Powys. She successfully held off Gwenwynwyn's forces for three weeks until English reinforcements arrived. Over three thousand Welsh were killed. Painscastle was known as Matilda's Castle by the locals. 
Matilda (Maud) de St. Valerie died in 1210 at Tower of London, London, Middlesex, England; Starved to death by King John.
William de Brewes, Lord of Abergavenny, Brecon, & Ower Gwent, Seigneur de Briouze b. c 1144, d. 9 Aug 1211
The Complete Peerage, 2nd ed., vol. 9, p. 275 has a note "The history of the lords of Brecknock to 1230 (Cott. MS ...) concludes with a list of the 16 children of William de Braose by Maud de St Valery
Richardson  states that
Evidence of the parentage of Maud de Saint Valery, wife of William de Brewes III, is found in a contempoary 13th Century French chronicle dated c. 1220 published in Sarrazin Hist. des Ducs de Normandie et des Rois d'Angleterre (1840): 111, with the original text of which reads "Cil Guilaumes de Breayouse avoit unt moult vaillant dame a feme, qui fu nee de la tierre le roi de France; fille fu Bernart de Saint-Waleri, le boin chevalier, Mehaus estoit appiele" . 
Maud de Saint Valery's maritagium evidently included the manor of Tetbury, Gloucestershire, which her father, Bernard de Saint Valery, held in 1149-50 when he removed various monks of Kingswood Abbey from Tetbury to Miteford at Kingswood. At the same time, Bernard confirmed to the monks of Kingswood all the land that they had when they dwelt at Tetbury and at Hazeleton [see VCH Gloucester 2 (1907):100]. The manor was subsequently confiscated in 1208 by King John from William de Brewes III (husband of Maud de Saint Valery) after William's quarrel with the king [see VCH Gloucester 11 (1976): 264]. Peter Fitz Herbert held manor by royal grant c. 1211-2, but this grant was later disputed by various heirs and claimants to the lands of William de Brewes III [see VCH Gloucester 11 (1976) 264, Book of Fees I (1920) 51]. The manor was granted in 1215 by Giles de Brewes, Bishop of Hereford (William I's son) to Hugh de Mortimer, who married his sister, Annor de Brewes [see VCH Gloucester 11 (1976) 264 C. P. 9, (1936) 274-275 (sub mortimer). As for other evidence of Maud de Saint Valery's identity, it may be noted that her husband William de Brewes III, witnessed a charter for her father, Bernard de Saint Valery sometime in t4he period 1179-1180 [see Hanna Cartularies of Southwick Priory 1 (Hampshire Rec Ser 9) (1988); 70]. Special thanks go to Doug Thompson for his assistance in this matter.
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On 8 Oct 2019 at 21:47 GMT John Atkinson wrote:
On 8 Oct 2019 at 19:03 GMT Andrew Lancaster wrote: