Question: Not including Neidpath, who owned the other castle that Sir Simon Fraser had for most of its existence?
Sentence (from "Action at Happrew"): A chevauchée of English knights, which included Robert de Clifford, William de Latimer and the later Scottish King, Robert the Bruce had been sent south from Dunfermline under Sir John Segrave to locate and capture the rebels Sir William Wallace and Sir Simon Fraser.
Relevant evidence: No