 Margaret de QuincyBorn 1240, died 1280, 39 or 40 years Married/ Related to:  Earl William de FerrersAlso known as: Earl of Derby, born ± 1200 at derbyshire,England, died Mar 24, 1253 at Evington,Leicestershire,England, approximately 53 years, buried Mar 31, 1253 at Merevale Abby. Merevale,Warwickshire,England, 1st marriage to: Margaret deQuincy, 2nd marriage to: Sibyl Marshall, 3rd married/ related to: Margaret de Quincy Earl of Derby Children: 1. Earl Robert de FerrersAlso known as: Earl of Derby, born ± ABT. 1239 at Of Chartley, died 1279, approximately 40 years | |||