sentences:  The design of the Montgomerie family crest above the entrance is identical to that on the castle ruins.The architect John Paterson built both, one being the 'trial piece' for the other.Kerelaw Castle near Stevenston contained many carved stone coats of arms taken from the old abbey, which was clearly seen as being a convenient source of dressed or ornately carved stone for many a 'new' building in 'old' Cunninghame.