William de Braose

William de Braose, 4th Lord of Bramber, was a powerful Marcher lord whose rise under King John brought extensive lands and offices. He is associated with the 1175 killings at Abergavenny and with the uncertain fate of Arthur of Brittany. After losing royal favour, he fled into exile and died at Corbeil, France, on 9 August 1211.

William de Braose, also called William de Briouze, was the son of William de Braose, 3rd Lord of Bramber, and Bertha of Hereford, also known as Bertha de Pitres. Bertha was a daughter of Miles Fitz Walter, Earl of Hereford, and Sibyl, daughter of Bernard de Neufmarche. William inherited the Rape of Bramber in Sussex from his father and substantial estates in the Welsh Marches, in the area of modern Monmouthshire, through his mother.

He became one of the most prominent members of the de Braose family. At the height of his power he was Lord of Bramber and held, or was described as holding, lordships and estates including Gower, Abergavenny, Brecknock, Builth, Radnor, Kington, Limerick, Glamorgan, Skenfrith, Grosmont, White Castle, and Briouze in Normandy.

In 1175, William was responsible for the killings later known as the Abergavenny Massacre. According to the supplied account, he invited Welsh princes and other Welsh leaders to a Christmas feast at Abergavenny Castle under a pretext of peace, then had them killed by his men. His principal opponent was said to have been Seisyll ap Dyfnwal of Castell Arnallt near Llanover, whom William blamed for the death of his uncle Henry. The account further states that William reportedly pursued and killed Seisyll's surviving son, Cadwaladr, then said to be seven years old. These events caused deep hostility toward William among the Welsh, who called him the “Ogre of Abergavenny.” Gerald of Wales, however, was said to have emphasized William's and his wife's religious piety and their generosity toward the priories of Abergavenny and Brecon.

William served King Richard I in Normandy in 1195. He was sheriff of Herefordshire from 1192 to 1199 and was made Justice Itinerant for Staffordshire in 1196. In 1199 he fought beside Richard at Châlus, where the king received his mortal wound. William then supported John’s claim to the English throne and acted for the new king in making royal grants.

William’s early relationship with King John brought him exceptional favour. John granted him what he might conquer from the Welsh in Radnorshire, gave him the lordship of Limerick apart from the city itself, and granted him possession of Glamorgan Castle and the lordship of Gower with its castles. A National Library of Ireland manuscript records a grant by William de Braosa to Theobald Walter, known as le Botiller, in 1201. The grant included the burgh of Kildelon, or Killaloe, and several cantreds, including Elykaruel, Eliogarty, Ormond, Ara, and Oioney. The supplied account connects this grant with Theobald Walter’s restoration after King John had deprived him of his Irish offices and lands.

In 1202, William personally captured Arthur of Brittany at the Battle of Mirebeau. In 1203 he was put in charge of Arthur, whose subsequent disappearance and death remain uncertain. William was suspected of involvement, but the supplied material states that no conclusive evidence was found. It also reports allegations that he knew the truth of Arthur’s fate and that Arthur may have suffered a fate similar to that of the Welsh leaders killed at Abergavenny; neither allegation is presented as proven. William later served in John’s war against King Philip II of France in 1204.

After his service in France, King John granted William the neighbouring castles of Skenfrith, Grosmont, and White Castle in 1206. The supplied account notes an interpretation that these grants were intended to encourage William’s silence concerning Arthur of Brittany’s disappearance, but this interpretation is uncertain.

William later fell from royal favour. King John cited overdue money owed to the Crown, yet the king seized William’s English estates in Sussex and Devon and sent a force into Wales to take his Welsh lands. The precise reasons for the breach remain unclear. The supplied account also reports that John sought William’s wife, Maud de St. Valery, who was said to have openly believed that John had murdered Arthur of Brittany.

William fled first to Ireland and then returned to Wales, where he allied himself with Llywelyn the Great in opposition to King John. In 1210 he escaped from Wales to France, reportedly disguised as a beggar. Maud and their eldest son, also named William, were captured. They were allegedly starved to death while imprisoned in 1210, possibly at Windsor Castle and Corfe Castle.

William died in exile at Corbeil, France, on 9 August 1211. He was buried in the Abbey of St. Victor in Paris by Stephen Langton, Archbishop of Canterbury, who was also in exile and opposed King John. The supplied account states that William had hoped to return to Wales and be buried at Brecon, but did not do so.

William and Maud de St. Valery had children including their eldest son William; Giles de Braose, Bishop of Hereford from 1200 until his death in 1215; Reginald de Braose; Matilda or Maud, who married Gruffydd ap Rhys II of Deheubarth; and Margaret, who married Walter de Lacy, Lord of Meath. The younger William married Maud, or Matilda, de Clare, daughter of Richard de Clare, 3rd Earl of Hertford. Before his reported death in captivity, the younger William had four sons: John, Giles, Philip, and Walter. The account states that these sons were imprisoned but released in 1218.

The later history of the family was shaped by the loss and recovery of its lands. Giles, who had been exiled in France until 1213, made peace with King John and agreed terms in 1215 for recovering de Braose lands, but died that year before obtaining them. Reginald subsequently recovered lands and titles by force and came to terms with the Crown in 1217, after John’s death. John, eldest son of the younger William, later claimed the de Braose inheritance and received the baronies of Gower and Bramber from his uncle Reginald through a legal arrangement, according to the supplied account.

Historical context

William de Braose lived during a period when powerful lords along the Welsh Marches held lands in England, Wales, Ireland, and Normandy and could be central figures in royal warfare and administration. His career illustrates both the opportunities offered by royal favour and the insecurity that could follow a break with the Crown. The supplied account states that the violence of his downfall disturbed other barons and may have contributed to later baronial opposition to King John. Historian Sidney Painter characterized John’s treatment of William as “the greatest mistake John made during his reign,” because it revealed the king’s capacity for cruelty to his barons.

Sources & research

National Library of Ireland manuscript: Grant by William de Braosa, senior, to Theobald Walter, le Botiller, including the burgh of Kildelon (Killaloe) and the cantreds of Elykaruel, Eliogarty, Ormond, Ara, and Oioney; dated 1201.
Gerald of Wales: Cited in the supplied notes as emphasizing the religious piety of William de Braose and his wife and their generosity to the priories of Abergavenny and Brecon.
Sidney Painter, biography of King John: Cited in the supplied notes for the assessment of King John’s treatment of William de Braose.