Isabel de Verdun, Lady Ferrers of Groby

Isabel de Verdun, Baroness Ferrers of Groby was an English heiress, who was related to the English royal family as the eldest daughter of Elizabeth de Clare, herself a granddaughter of King Edward I of England. When she was a child, Isabel was imprisoned in Barking Abbey, along with her mother and half-sister, after her stepfather had joined the Earl of Lancaster's ill-fated rebellion against King Edward II. She is occasionally referred to as Heiress of Ludlow. Her husband was Henry Ferrers, 2nd Baron Ferrers of Groby.