SOURCE-17079Research NeededProbable
Charles Cawley, "Scotland, Kings: B. Kings of Scotland 1034-1290: Ela", Medieval...
Full citation
Charles Cawley, "Scotland, Kings: B. Kings of Scotland 1034-1290: Ela", Medieval Lands: A prosopography of medieval European noble and royal families, 2017, Foundation for Medieval Genealogy (http://fmg.ac/Projects/MedLands/SCOTLAND.htm#ElaMDuncanFife accessed 8 September 2017).