Edward of Norwich, 2nd Duke of York by a French chronicler to have betrayed to the king a conspiracy at the end of 1399 by a group of Richard II's former favourites who planned to murder Henry IV and his sons at a jousting tournament at Windsor Castle on 6 January 1400. But according to James Tait, contemporary English sources that describe the conspiracy make no mention of Edward, and his role in it is open to question. In October 1400, the king made Edward Keeper of North Wales, and on 5 July 1401, his lieutenant in Aquitaine. On 1 August 1402, Edward's father died, and he
Scarborough Castle Earl of Warwick and killed. Scarborough fared little better; Edward punished the town for not supporting Gaveston by revoking its royal privileges and placing it under the direct rule of appointed governors. At the time of the Hundred Years War (1337–1453), Scarborough was an important port for the wool trade, so was attacked several times by enemy forces. With rumours of a French invasion, a 1393 inquiry into the state of the castle led to repairs being carried out in 1396 and 1400. Henry VI (reigned 1422–1461; 1470–1471) ordered major repairs between 1424 and 1429. Richard III (reigned 1483–1485) was