Question: Who prepared for an invasion by a king who had Earl Skule Bårdsson as a rival?
Sentence (from "Findlater Castle"): Findlater Castle is the old seat of the Earls of Findlater and Seafield, sitting on a 50 ft -high cliff overlooking the Moray Firth on the coast of Banff and Buchan, Aberdeenshire, Scotland.
Relevant evidence: No