Which Scottish fortress did french soldier  Corbeyran de Cardaillac de Sarlabous serve as the captain?
Dunbar Castle Dunbar Castle is the remnants of one of the strongest fortresses in Scotland, situated in a prominent position overlooking the harbour of the town of Dunbar, in East Lothian.
Dumbarton Castle Dumbarton Castle (Scottish Gaelic: "Dùn Breatainn" , ] ) has the longest recorded history of any stronghold in Scotland. It overlooks the Scottish town of Dumbarton, and sits on a plug of volcanic basalt known as Dumbarton Rock which is 240 ft high.