 According to historian R. W Munro the family that did most to extend the territory of the Clan Munro was the senior line of the numerous descendants of John, brother of George Munro, 10th Baron of Foulis.The Munro of Milntown family's base, Milntown Castle, was at Milntown of Meddat which was so near to Balnagown Castle that the Ross chiefs tried to stop them building there.The last of in the senior line of the Munros of Milntown was killed at the Battle of Kilsyth in 1642 and Milntown Castle was burned down by carelessness in the same year.