 Dudley seems to have spotted his potential and took him into his circle of regional allies.When he became president of the Council in the Marches of Wales, Dudley asked Francis Talbot, 5th Earl of Shrewsbury to excuse Corbet further service in the Scottish wars to help him in the Welsh Marches.Corbet was made a member of the council in 1553 and remained so, surviving the fall of his patron Dudley after the abortive attempt to install Lady Jane Grey as queen.