Family
 William de Ferrers, 5th Earl of Derby 1)Born ± 1193 Died 24 Mar 1253/54 Evington, Leicestershire, England, approximately 60 years Married before 1238 2) to: Children: 3. Robert de Ferrers, 6th Earl of Derby 5)Born 1239 Died before 27 Apr 1279, at most 40 years Notes: Robert was the last of the Ferrer Earls of Derby, attainted and charged with high treason, following his support of the Montfort rebellion. | |||
Margaret de QuincySources
1) Source: The Berkeley Estate "Robert de Ferrers, son and heir of William de Ferrers, late earl of Derby, and Joan de Ferrers, his sister. n.d."Dated: 1260-1262. External Linkhttp://discovery.nationalarchives.gov.uk/details/r/39abe53e-1806-4b46-b69b-5dedba8a67bb. Reference: BCM/A/2/57/1 (Data from direct source)
2) Source: Exchequer: Treasury of Receipt: Ancient Deeds, Series A "Release by Richard le Swein of Swithelund, to Margaret de Ferr[ariis], countess of Derby, Ellen la Zuche, ALexander Comyn, earl of Bouchan, and Elizabeth his wife, the heirs of Roger de Quency, late earl of Winchester,"Dated: After 1264 Evidence for the marriage of Margaret de Quincy and William de Ferrers. External Link
http://discovery.nationalarchives.gov.uk/details/r/C4944648. Reference: E 40/5895
3) Source: Chancery: Inquisitions Post Mortem, Series I, Edward I "Joan, late the wife of Humphrey de Boun alias de Bohun...held of Helen de la Suche, one of the heirs of Roger de Quincy, sometime earl of Winchester,..Ware. The manor (extent given), held of Sir William [de Ferr] ar[iis] by service of ½ mark yearly, for Margaret countess of Fer[rars], mother of the said William, gave him the manor of Groby to which the manor of Ware pertains." Date: 1283. External Link
https://www.british-history.ac.uk/inquis-post-mortem/vol2/pp315-323. Reference: C 133/39/10 (Data from direct source)
4) Source: The Berkeley Estate "The prior has granted to Thomas an anniversary in full choir [etc.] for the souls of Maurice, Thomas's father, and Isabel his mother and, after their deaths, for the souls of himself, Joan his wife and Maurice their son"Date: 24 February 1308. External Link
http://discovery.nationalarchives.gov.uk/details/r/c8a0e990-6cf7-4ba2-9921-e4027898c8d6. Reference: BCM/A/1/19/29 (Data from direct source)
5) Source: Deeds of St. Thomas Priory, Stafford "Confirmation of charter by John de Ferars, son and heir of the lord Robert de Ferars former Earl of Derby."Dated: bet. 1267-1279. Reference: D938/489 (Data from direct source)