English and British royal mistress her. Richard II (6 January 1367– February 1400) was King of England from 1377 until he was deposed on 30 September 1399. A member of the close circle around the king was Robert De Vere, Earl of Oxford (Aubrey De Vere's nephew), who emerged as the King's favourite. De Vere's lineage, while an ancient one, was relatively modest in the peerage of England. Richard's close friendship to De Vere was disagreeable to the political establishment and this displeasure was exacerbated by the earl's elevation to the new title of Duke of Ireland in 1386. The chronicler Thomas Walsingham suggested the
Castles and Town Walls of King Edward in Gwynedd to conduct negotiations with the king. Henry Percy took an oath in the castle chapel to protect the king if he agreed to leave the castle, but when Richard left he was promptly taken prisoner, and was taken away to die later in captivity at Pontefract Castle. Tensions between the Welsh and the English persisted and spilled over in 1400 with the outbreak of the Glyndŵr Rising. At the start of the conflict, Harlech's garrison was badly equipped, and Conwy had fallen into disrepair. Conwy Castle was taken at the start of the conflict by two Welsh brothers, who took