John Grey of Groby John Grey of Groby Sir John Grey, of Groby, Leicestershire (c. 1432 – 17 February 1461) was a Lancastrian knight, the first husband of Elizabeth Woodville who later married King Edward IV of England, and great-great-grandfather of Lady Jane Grey. Grey was the son and heir of Elizabeth Ferrers, 6th Baroness Ferrers of Groby (1419–1483) and of Sir Edward Grey (c. 1415–1457), a son of Reginald Grey, 3rd Baron Grey de Ruthyn. His father was summoned to parliament as Baron Ferrers of Groby in right of his wife. After the death of Grey's father his stepfather, John Bourchier, assumed his
Elizabeth Woodville a battle of wills that finally resulted in Warwick switching allegiance to the Lancastrian cause, and to the execution of Elizabeth's father Richard Woodville in 1469. After the death of her husband in 1483 Elizabeth remained politically influential even after her son, briefly proclaimed King Edward V of England, was deposed by her brother-in-law, Richard III, and she would play an important role in securing the accession of Henry VII to the throne in 1485, which ended the Wars of the Roses. After 1485, although her daughter Elizabeth of York married Henry VII and became the mother of Henry VIII,