William de Ferrers 5th Earl of Derby

  General Notes:

~Weis' Ancestral Roots of Certain American Colonists Who Came to America before 1700, 8th Edition, 57:29, 58:29, 59:29, 189:4, 257:30, 261:30, William de Ferrières, 5th Earl of Derby, married to Margaret de Quincy, and the father of Robert de Ferrières, William de Ferrières and Joan de Ferrières, who married Sir Thomas Berkeley¹⁶⁰.

~Cokayne's Complete Peerage, 2nd Edition, Vol. II, (Berkeley), p.128, identifies him as the father of Joan.

~Cockayne's Complete Peerage, (Ferrers), Vol. V, chart between pp. 320-321, William, son of William and Agnes, married, first, Sibyl, daughter and in her issue, coheir of William le Mareschal, Earl of Pembroke. He married second, Margaret, Lady of Groby, eldest daughter and coheir of Roger de Qunicy, Earl of Winchester.

~Cokayne's Complete Peerage, 2nd Edition, Vol. XIIB, pp. 276-278, William de Vescy married, 2^ndly, before 1244, Agnes, 1^st daughter of William (de Ferrers), 5^th Earl of Derby, by his 1^st wife, Sibyl, sister and, in her issue, coheir of Anselm, 9^th Earl of Pembroke, 3^rd daughter of William (Marshal), 4^th Earl of Pembroke.
¹⁴¹

  Information about this person:

• Background Information. ¹⁴¹
William de Ferrières, Earl of Derby, son and heir, accompanied the King to France in Apr 1230. He was Constable of Bolsover Castle, 28 Feb 1234/5 to 3 Jul 1236. The King took his homage, and he had livery of Cbartley Castle and the rest of his mother's lands, 10 Nov 1247. He was invested with the Earldom, 2 Feb 1247/8, at Westminster, and was present at the Parliament of London held in that month. On passing over a bridge at St. Neots, he was accidentally thrown from the litter which be habitually used, having been afflicted with gout from his youth-and sustained injuries from which he never recovered.

William de Ferrièrs married, as his 1^st wife, before 14 May 1219, Sibyl, sister and in her issue coheir of Walter, Earl of Pembroke, and 3rd daughter of William (le Mareschal), Earl of Pembroke, by Isabella, suo jure Countess of Pembroke, daughter and eventually heir of Richard (Fitz Gilbert), Earl of Pembroke. She died without male issue. He married, as his 2^nd wife, in or before 1238, Margaret, 1^st daughter and coheir of Roger de Quency, Earl of Winchester, by his 1^st wife, Helen, 1^st daughter and coheir of Alan de Galloway, Constable of Scotland. He died at Evington near Leicester, 24 or 28, and was buried 31 Mar 1254, at Merevale Abbey. His widow, the King having taken her homage, had livery, 3 Dec 1274, of her purparty of the lands which Alianore de Vaux, late Countess of Winchester, had held in dower of the inheritance of Roger de Quency, sometime Earl of Winchester, formerly Alianore's husband. She died shortly before 12 March 1280/1.

~Cokayne's Complete Peerage, 2nd Edition, (Derby), Vol. IV, pp. 196-198

William married Sibyl Marshall, daughter of Sir Willam Marshall Knight, Third Earl of Pembroke and Isabella de Clare Countess of Pembroke.¹⁴¹ (Sibyl Marshall was born about 1191 in Pembroke, Pembrokeshire, Wales and died before 1238 in England.)

William next married Margaret de Quincy, daughter of Sir Roger de Quincy 2nd Earl of Winchester Earl of Winton and Elena of Galloway.¹⁴¹ (Margaret de Quincy was born about 1222 in Lincoln, Lincolnshire, England and died Shortly before 12 Mar 1281 in Clerkenwell, Middlesex, England ¹⁴¹.)