 He was Governor of Gloucester 1312, Governor of Berwick-on-Tweed from 1314 which he lost to the Scots under the 1318 Capture of Berwick, Steward of the Duchy of Aquitaine 1319 and Justiciar of South Wales 1316.He joined the Thomas, 2nd Earl of Lancaster in his rebellion against his first cousin King Edward II and the Despencers.Also on his side in the rebellion was Roger la Zouch of Lubbesthorp, his first wife's nephew, who in January 1326 sanctioned the assassination of Roger de Beler, Baron of the Exchequer.