Isabel de Forz, 8th Countess of Devon English noble (1237–1293) Parents Amice de Clare Baldwin de Redvers, 6th Earl of Devon Children William de Forz Avice de Forz Thomas de Forz, Count of Aumale Aveline de Forz John de Forz Siblings Baldwin de Redvers, 7th Earl of Devon Partners William de Forz, 4th Earl of Albemarle
