John Montgomery, 10th Baron of Eaglesham was the distinguis hed warrior who captured Henry Percy, called Hotspur, at th e Battle of Otterburn in 1388. With Percy's ransom he buil t the castle of Polnoon as well as acquiring the lands of E glinton and Ardrossan through his marriage to Elizabeth o f Eglinton. History from the Clan Montgomery Society "Origin and History of the Montgomerys" by B.G. Montgomer y of Sweden