He became the first prince of Wales in 1301 and served in the Scottish campaigns from 1301 to 1306. The prince's dissipation caused his father to banish young Edward's friend Piers Gaveston, who, however, returned to England immediately on Edward II's succession (1307) to the throne. Edward married Isabella of France in 1308. Edward's reliance on Gaveston, both as intimate and adviser, to the exclusion of the baronial council, provoked a crisis. The barons forced Edward to banish (1308) Gaveston, but he soon returned (1309). In 1310 a baronial coalition compelled Edward to consent to the appointment of a committee of 21 lords ordainers to share his ruling powers. The committee drafted the Ordinances of 1311, which, in addition to banishing Gaveston, placed serious restrictions on the royal power. Gaveston was recalled (1311) again, however, and the barons resorted to arms, capturing and killing Gaveston in 1312.
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