He was, therefore, a younger half-brother of King Edward II (reigned 1307–1327) and a full brother of Edmund of Woodstock, 1st Earl of Kent.When Thomas was ten years old, King Edward II assigned to him and his brother Edmund, the estates of Roger Bigod, 5th Earl of Norfolk, who had died without heirs in 1306.He allied himself with Queen Isabella and Roger Mortimer when they invaded England in 1326, and stood as one of the judges in the trials against both Despensers.When his nephew Edward III reached his majority and took the government into his own hands Thomas, who had helped with the deposition,[6] became one of his principal advisors.12 October 1330), daughter of Sir Roger de Hales of Hales Hall in Loddon in Roughton, Norfolk, a coroner, by his wife, Alice Skogan, by whom he had a son and two daughters:[10][2] Thomas's wife Alice died by October 1330, when a chantry was founded for her soul in Bosham, Sussex.