Warwick (1229-1242) Margaret de Newburg, 7th Countess of Warwick suo jure (1242-1253) John Marshal, 7th Earl of Warwick jure uxoris (1242) John du Plessis, 7th Earl of Warwick jure uxoris (1247-1253) William Maudit, 8th Earl of Warwick (1253-1267) William Beauchamp, 9th Earl of Warwick (1268-1298) Earl of WinchesterSaer de Quincy, 1st Earl of Winchester (1207-1219) Margaret de Beaumont, Countess of Winchester (1219-1235) Roger de Quincy, 2nd Earl of Winchester (1235-1264) References Sources Lists of English people Earls