French history in the English-speaking theatre no dowry is given (Treaty of Tours, 1445). In the final scene, the Yorkists are victorious after the First Battle of St Albans (1455) during the War of the Roses. In the first scene of "Henry VI part 3", the Yorkists confront the supporters of Henry VI, who discuss whether the king should accept the issue of the duke of York as king. Queen Margaret refuses to accept that her son, Edward, be disinherited. With her principal commander, Henry Beaufort, 3rd Duke of Somerset, she fights successfully for a while the Yorkists but is eventually defeated by them, whereby the
Wars of the Roses line, as descendants of Edward III's second son Lionel of Antwerp. Edmund's second son, Richard, Earl of Cambridge, who was executed by Henry V, had married Anne de Mortimer, daughter of Roger Mortimer and sister of Edmund Mortimer. Anne's grandmother, Philippa of Clarence, was the daughter of Lionel of Antwerp. The Mortimers were the most powerful marcher family of the fourteenth century. G.M. Trevelyan has written that "the Wars of the Roses were to a large extent a quarrel between Welsh Marcher Lords, who were also great English nobles, closely related to the English throne." Anne de Mortimer had died