Wars of the Roses the Hundred Years' War, unfolding the structural problems of feudalism, combined with the mental infirmity and weak rule of King Henry VI which revived interest in Richard of York's claim to the throne. Historians disagree on which of these factors to identify as the main reason for the wars. With the Duke of York's death, the claim transferred to his heir, Edward, who later became the first Yorkist king of England, as Edward IV. He reigned from 1461, interrupted by a Lancastrian uprising and reinstallment of Henry VI in 1470 to 1471, until his sudden death in 1483. His son
Gervase Clifton (died 1471) Gervase Clifton (died 1471) Sir Gervase Clifton (died 6 May 1471) of Clifton, Nottinghamshire and London was a 15th-century English knight and landowner. He was beheaded after the Battle of Tewkesbury. Gervase Clifton was the son of Sir Gervase Clifton (died 15 November 1453) of Hodsock and Clifton, Nottinghamshire, only son of Sir John Clifton (slain at the Battle of Shrewsbury on 21 July 1403), and his wife, Katherine Cressy. Gervase Clifton's mother was Isabel Fraunceys (d. 13 June 1457), the daughter of Sir Robert Fraunceys of Foremark, Derbyshire. His only sibling was a brother, Robert Clifton. He was a