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.
The prince of Scotland welcomed him, and he joined the defense of Caerlaverock, where he was honored with knighthood. Later, in 1300, he obtained a royal charter allowing him to hunt freely on his property at Ufton.