sentences:  When Alexander III, King of Scotland died in 1286, his acknowledged heir was his granddaughter, Margaret.Although this Norwegian girl was accepted by the magnates of the realm, and betrothed to the heir of Edward I, King of England, she perished on her journey to Scotland, and her death triggered a succession crisis.The leading claimants to kingship were John Balliol, Lord of Galloway and Robert Bruce V, Lord of Annandale.