'Sir Roger la Zouche (d. 1285), Baron Zouche; m. Ela Longespée, a granddaughter of William de Longespée (1176-1226), Earl of Salisbury (a natural son of King Henry II of England), by his wife Ela Devereux (1188-1261), a descendant of the Capetian kings of France, Dukes of Burgundy, and Dukes of Brittany.'
'ELA Longespee (-before 19 Jul 1276). ... m (before 1267) ROGER la Zouche Lord of Ashby, son of ALAIN la Zouche & his wife Helen de Quincy ([1240/42]-shortly before 15 Oct 1285).'