Constantine II of Scotland
CausantÃn mac Ãeda (anglicised Constantine II) (before 879 – 952) was king of Alba from 900 to 943. He was the son of Ãed mac Cináeda and first cousin of the previous ruler, Domnall mac CausantÃn. CausantÃn mac Ãeda’s reign is the second longest before the Union of the Crowns in 1603, exceeded only by William the Lion. for more click here