He fought with the new king, now Edward IV, in the North in November 1462, and over the subsequent decade was named constable or keeper of several castles, including those at Aberystwith, Brecknock, Hay and Huntingdon. He became sheriff of the county of Carnarvon was named Master-Forester of Snowdon Hills in 1470.
He engaged in conflict with King Edward IV during the period from November 1462 to 1470.  He held various positions of responsibility, including those as constable or keeper of castles like Aberystwith, Brecknock, Hay, and Huntingdon. He became sheriff of Carnarvon County and was appointed Master-Forester of Snowdon Hills in 1470.