William, earl of Mar, writes to Peter, bishop of Aberdeen, to notify him that he understands the seal attached to the document which he is sending with these letters in a certain box marked with his seal, to have been the seal of his father, in testimony of which, he is transmitting these letters patent.
Firm date
13 May 1247 X early 1257
Dating Notes
Mandate for consecration × death of Bishop Peter of Ramsay of Aberdeen.