The descendant of the Duke and Duchess of Clarence became Edward IV., and the 'honour of Clare' was thenceforth merged in the crown, and now forms part of the duchy of Lancaster.
Guy de Chatillon = Mary of Brittany, Comte de | dau. of Beatrice, Saint-Paul. | sister of Edw. I. +----------------------------------+ | | | | Isabel = John Lord Hastings, | | = 2ndly | ob. 1312. | | Ralph de | | | Monthermer. | Aymer de Valence = 3rdly Marie de Chatillon, | Earl of Pembroke, FOUNDER OF PEMBROKE | youngest son of William de COLLEGE. | Valence, half-brother of | Hen. III. Slain June 23 1324. | He supported Edw. II., and | was his minister and chief | counsellor and one of the | 'ordainers.' _Great-grandson_ | _of Wm. Mareschall and Isabella de Clare._ | +---------------------------------------+ | | John Hastings, Elizabeth = Roger ob. 1326. | 1st Lord Grey de Ruthyn, | | ob. 1353. | | Laurence Hastings = Agnes, dau. of 2nd Lord Grey, ob. 1441. Earl of Pembroke, | Roger Mortimer | ob. 1339. | Earl of March. | | | John Hastings = Margaret, dau. of Reginald 3rd Lord Grey, heir 2nd earl, | Edw. III. to John Lord Hastings Earl of ob. 1375. | Pembroke, whose grandson John | (killed in the battle of S. Albans | 1460) married Elizabeth Woodville, | afterwards wife to Edw. IV. | John Hastings = Philippa Mortimer, 3rd Earl of dau. of Edmund Pembroke, Earl of March. ob. 1390, s.p.
John of Gaunt = Catherine Swynford | John Beaufort, = Margaret Holland, dau. ob. 1410 | of Thomas Earl of Kent. +--------------------------------------------+ | | John Duke of = Margaret Beauchamp Edmund = Eleanor Beauchamp, dau. of Somerset, | of Bletsoe. ob. 1467. | Richard Earl of Warwick. ob. 1444 | |_________ | | Lady Margaret = 1st Edmund Tudor Margaret Beaufort = Humphrey 1441-1509, Earl of Richmond Stafford FOUNDER OF (half brother to 'Earl of Stafford,' CHRIST'S AND Henry VI.) by whom slain fighting for ST. JOHN'S she was the mother House of Lancaster COLLEGES. of Henry VII. at the battle of = 2nd Sir Henry Stafford, S. Albans. younger son of Duke of Buckingham. = 3rd Thomas Lord Stanley, Earl of Derby.
Lady Margaret was the representative of John of Gaunt and the House of Lancaster, as Elizabeth de Clare was the ancestor of the House of York.