Background
A younger son of Thomas de Beauchamp, 11th Earl of Warwick, and Katherine Mortimer, he was summoned to Parliament on 23 July 1392 as "Willilmo Beauchamp de Bergavenny", by which he is held to have become Baron Bergavenny.
A younger son of Thomas de Beauchamp, 11th Earl of Warwick, and Katherine Mortimer, he was summoned to Parliament on 23 July 1392 as "Willilmo Beauchamp de Bergavenny", by which he is held to have become Baron Bergavenny.