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
English invasion of Scotland (1400) it, in person, to the sitting parliament in November 1399. A.L. Brown has suggested that this indicates the personal interest the King felt in the affair: that this was in fact his own personal plan, and 'that it meant a lot to him, and that it had met with criticism.' He pledged to fulfil this vow before god. At almost the same time, Henry had received a letter from the Scottish king in which Henry was referred to as duke of Lancaster rather than king of England; this, it has been suggested, fuelled his martial enthusiasm towards Scotland. Perhaps even