Question: Dubhghall mac Suibhne was a prominent 13th-century noble, the Earl of Menteith also obtained Lochranza Castle, an L-plan tower house situated on a promontory in Lochranza, on the north of the Isle of Arran, in which country?
Sentence (from "Murchadh Mac Suibhne"): Murchadh Mac Suibhne (died 1267) was a prominent 13th-century noble.
Relevant evidence: No