Far from ending the Wars of the Roses, it split the kingdom further, as it was unacceptable to the queen, Margaret of Anjou, who saw her son disinherited, while retaining a large body of Lancastrian supporters. In the immediate aftermath, the Lancastrians defeated and killed York in December 1460 (even though the Act had made it high treason to kill him), but they were in turn defeated in spring 1461 by York's son Edward, who then became king.[2]
In the same parliament (on 31 October), York was made
Full text of the Act, from Davies, John S., An English Chronicle of the Reigns of Richard II, Henry IV, Henry V, and Henry VI, folios 208-211 (from Googlebooks, retrieved 15 August 2012)
Warwick the Kingmaker, Hicks, Michael; Oxford 1998
1 Briefly joined the Lancastrians. 2 Briefly joined the Yorkists. 3 Defected from the Yorkist to the Lancastrian cause. 4 Initially a Yorkist who later supported the Tudor claim. 5 Initially a Lancastrian who later supported the Tudor claim.