 James would never again return to Ross or Moray.Mar was given support in his role as Lieutenant when Alan Stewart, the second son of Walter Stewart, Earl of Atholl, was made Earl of Caithness in Spring 1430.The royal earldoms of Buchan and Ross, and the castle of Urquhart were put under Mar's control; by 1431 the lordship of Lochaber, held by Alasdair Carrach, was assigned to Mar's command; and by 1432 Mar had received papal dispensation to marry Margaret Seton, the mother of the heiresses to the earldom of Moray, which he would administer on their behalf.