bef 1320 Dornagilla married Sir Archibald Douglas (4278) , son of Sir William Douglas (ca 1240-1298) & Eleanor de Louvain (3980) (-aft 3 May 1326). Born ca 1297. Archibald died on 19 Jul 1333 in Haliden Hill, Northumberland. He died in battle.
Archibald defeated Edward de Baliol, King of Scotland, in 1332 and was appointed Regent of Scotland during the minority of King David II.