She was still living in 1422 but might have died that year.[1]
Sources
↑ 1.01.11.21.3Paul, James Balfour. "The Scots Peerage : founded on Wood's ed. of Sir Robert Douglas's Peerage of Scotland; containing an historical and genealogical account of the nobility of that kingdom", Edinburgh: David Douglas, 1909, Vol. VI, Archive.org,
p. 348
↑Paul, James Balfour. "The Scots Peerage : founded on Wood's ed. of Sir Robert Douglas's Peerage of Scotland; containing an historical and genealogical account of the nobility of that kingdom", Edinburgh: David Douglas, 1908, Vol. V, Archive.org,
p. 425-6
↑Burke, John Bernard, "A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire", London: Harrison,1866, Archive.org,
p. 327