John Beaufort, Marquess of Dorset and "Earl of Dorset", courtesy titles granted to the Beaufort heir-apparent or heir-presumptive. These titles were not recognized by King Edward IV, of the House of York. John had been in exile since 1461, first in Burgundy and then France. When Henry VI of Lancaster reclaimed the throne in October 1470, John returned with his brother Edmund. But a few months later, Henry was driven from the throne again, and the Lancastrians were on the run. John was killed in the Battle of Tewkesbury on 4 May 1471, while fighting beside Edmund, who was captured and beheaded two days later.
French history in the English-speaking theatre 1471, Philip II of France, king from 1180 to 1223, Charles VI of France, king from 1380 to 1422, and Charles VII of France, king from 1422 to 1461. In the first scene of "King John", John of England receives a message from Philip II of France, demanding that he abdicate his throne to his nephew, Arthur I of Brittany, believed to be the rightful heir. When John refuses, war is declared. But to obtain a stronger claim to his throne and to appease the French (act 2, scene 1), John agrees to a marriage contract between Blanche of Castile,