Elizabeth Ferrers (c. 1250 – c. 1300) was a daughter of William de Ferrers, 5th Earl of Derby and his second wife Margaret de Quincy (born 1218). William III de Ferrers 5th Earl of Derby (1193 &ndash March 1254 was an English nobleman and head of a family which controlled a large part of Derbyshire including an area Her maternal grandparents were Roger de Quincy, 2nd Earl of Winchester and Helen of Galloway. Roger de Quincy 2nd Earl of Winchester (1195? &ndash April 25, 1265) was a medieval nobleman who was prominent on both sides of the Anglo-Scottish border Helen of Galloway, (bc, Wigtownshire, Scotland –1245 also known as Ela was the daughter and co-heiress of Alan Lord of Galloway and Devorguilla]]
Elizabeth was married first to William Marshal, 2nd Baron Marshal, and after his death to Dafydd ap Gruffydd, a prince of Gwynedd and brother of Llywelyn the Last. Dafydd ap Gruffydd (or Dafydd ap Gruffudd) (11 July 1238 &ndash 3 October 1283 was Prince of Wales from 11 December 1282 until his execution on 3 October 1283 Genealogy and early life Llywelyn was the second of the four sons of Gruffydd, the eldest son of Llywelyn the Great, and Senena ferch Rhodri Dafydd was at that time in favour with King Edward I of England, but later rebelled and was executed in 1283. Edward I (17 June 1239 – 7 July 1307 popularly known as Longshanks, was a King of England who achieved historical fame by conquering large parts of Wales and almost Elizabeth's fate is not known.
Elizabeth's daughter Gwladys was sent to Sixhills convent for the rest of her life. Gwladys ferch Dafydd was the daughter of Dafydd ap Gruffudd, the last free Prince of Wales, and Elizabeth Ferrers. Her husband Dafydd is thought to have had other daughters who may have been illegitimate. Her sons Llywelyn and Owain were imprisoned and never released. Llywelyn ap Dafydd (c1260&ndash1287 de jure Prince of Gwynedd (1283&ndash1287 was the eldest son of Dafydd ap Gruffydd the last free ruler of Gwynedd Owain ap Dafydd (c 1265 &ndash c 1325 de jure Prince of Gwynedd (1287-c