Question: The gentleman born circa 1280 at the castle located 1km east of the village of Closeburn and 2km south-east of Thronhill was 1st cousin of what famous Scotsman?
Sentence (from "Closeburn Castle"): Closeburn Castle is a tower house, probably of the 14th century, but possibly older, and is one of the oldest continually inhabited houses in Scotland.
Relevant evidence: No