Background
He became hereditary High Sheriff of Worcestershire for life on the death of his father in 1268.
He became hereditary High Sheriff of Worcestershire for life on the death of his father in 1268.
He was active in the field against the Welsh for many years, and at the end of his life campaigned against the Scots. In 1294 he raised the siege of Conwy Castle, where the King had been penned in, crossing the estuary. He was victorious on 5 March 1295 at the battle of Maes Moydog, against the rebel prince of Wales Madog ap Llywelyn.
In a night attack on the Welsh infantry, he used cavalry to drive them into compact formations, which were then shot up by his archers, and charged.
His father was William de Beauchamp of Elmley Castle and his mother Isabel Mauduit, sister and heiress of William Mauduit, 8th Earl of Warwick, from whom he inherited his title in 1268. He had a sister, Sarah, who married Richard Talbot.
Their children included:
Isabella de Beauchamp, married firstly, Sir Patrick de Chaworth and, secondly, Hugh le Despenser, 1st Earl of Winchester
Guy de Beauchamp, 10th Earl of Warwick, who married Alice de Toeni, widow of Thomas de Leyburne.