Where is the castle, at which Iye Mackay, 4th of Strathnaver was murdered, located?
Iye Mackay, 4th of Strathnaver:  He was murdered along with his eldest son Donald at Dingwall Castle during a feud with the Earl of Sutherland, chief of the Clan Sutherland. Dingwall Castle: Dingwall Castle was a medieval fort and royal castle in the town of Dingwall, eastern Ross-shire, Scotland.
Dingwall, eastern Ross-shire, Scotland