General Notes

Mary (married 4th by 10 April 1299, as his 2nd wife William FitzWarin and died by 10 Oct 1301), daughter of Ewen of Argyll and widow of (a) Magnus, King of the Isles of Man (died 1265) and (b) Malise, 5th Earl of Strathearn (died by 23 Nov 1271) [3rd husband was Hugh Aberneth (died c1291)].  [Burke's Peerage]

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He [Malise of Strathearn] married, 4thly, circa 1268, Mary, widow of Magnus, KING OF MAN (died 1265), daughter of Ewen of Argyll. He died (before 23 November) 1271, it is said in France, and was buried at Dunblane. His widow married, 3rdly (post nuptial dispensation 5 April 1281), Sir Hugh ABERNETHY of that Ilk, who died between 28 June 1291 and 10 February 1291/2. She married, 4thly, as his 2nd wife, before 10 April 1299, William FITZWARIN, who died before 1 December following and was buried in the church of the Grey Friars, London. M.I. She was living, 28 September 1300, but died before 10 October 1303 and was buried with him. M.I.  [Complete Peerage XII/1:382-3, (transcribed by Dave Utzinger)]