Sir Edmund Mortimer (1302/1303 – 16 December 1331), married Elizabeth de Badlesmere; they produced Roger Mortimer, 2nd Earl of March, who was restored to his grandfather's title. Margaret Mortimer (1304 – 5 May 1337), married Thomas de Berkeley, 3rd Baron Berkeley; Roger Mortimer (1305 – 1328), married Joan Butler
Richard of York was born on 22 September 1411, the son of Richard, Earl of Cambridge (1385–1415), and his wife Anne Mortimer (1388–1411). Both his parents were descended from King Edward III of England (1312–1377): his father was son of Edmund, 1st Duke of York (founder of the House of York), fourth surviving son of Edward III, whereas his mother Anne Mortimer was a great-granddaughter ...
Yet the real adversary of the Commons, supported by powerful men such as Wykeham and Edmund Mortimer, 3rd Earl of March, was John of Gaunt. Both the king and Edward of Woodstock were by this time incapacitated by illness, leaving Gaunt in virtual control of government.
Edward Plantagenet (born 1442), eldest son of Richard, 3rd Duke of York, deceased son of Richard, Earl of Cambridge, deceased younger son of Edward III's deceased fifth son Edmund of Langley, 1st Duke of York. Edward was debarred from the succession due to his attainder. Edward Plantagenet (born 1470), only son of Edward Plantagenet.
Edmund de la Pole, 3rd Duke of Suffolk, 6th Earl of Suffolk, KG (c. 1471 – 30 April 1513), Duke of Suffolk, was a son of John de la Pole, 2nd Duke of Suffolk and his wife Elizabeth of York. Although the male York line ended with the death of Edward Plantagenet and the Poles at first swore loyalty to the Tudor king of England, they later tried to claim the throne as the Yorkist claimant.
Early life. Roger Mortimer was born 11 April 1374 at Usk in Monmouthshire. He was the eldest son of Edmund Mortimer, 3rd Earl of March, by his wife Philippa of Clarence, who was the daughter of Lionel of Antwerp, 1st Duke of Clarence, and granddaughter of King Edward III.
Early life. Richard was born c. 1313 in Sussex, England.Fitzalan was the eldest son of Edmund Fitzalan, 2nd Earl of Arundel, and his wife Alice de Warenne.His parents married after 30 December 1304, after his father had initially been fined for refusing to marry Alice in 1304; their betrothal had been arranged by Alice's grandfather the Earl of Surrey, his father's guardian.