Alexander, king of Scots, to Edward, king of England; informing him that on account of certain difficult matters touching him and his realm, he has sent Alexander Comyn, earl of Buchan, his constable and justiciar, from out of northern side of Scottish Sea to remote parts of his islands; on account of which Earl Alexander is not able to present himself to King Edward; he therefore requests that King Edward excuse Earl Alexander's absence, since the aid that he owes him, by reason of lands which he holds within his realm, is ready to go to Wales at his pleasure