Joan de Munchensi

Arms of the de Valence Earls of Pembroke

Joan Munchensy (about 1230 - 1307), Countess of Pembroke, was an English noblewoman. The grand-daughter and eventual co-heiress of the celebrated William Marshal, she married William de Valence, half-brother of King Henry III.[1]

  1. ^ Linda E. Mitchell (14 September 2023). "Valence, Joan de, countess of Pembroke and lady of Wexford and Goodrich (c.1230–1307)". Oxford Dictionary of National Biography. Retrieved 1 November 2023.