He attended the prince in Scotland, to the siege of Caerlaverock, where he was knighted, and in 1300, he then obtained a charter of free warren for his manor of Ufton.
He was invited to pay homage to the king of Scotland, joined the defense of Caerlaverock, and was knighted in recognition. Subsequently, in 1300, he received a royal charter that granted him unrestricted access to hunt on his property at Ufton.