Nielsen Hayden genealogy
Family: William de Graham / Mary Stewart (F16436)
m. Bef 15 May 1416-
Father | Male
William de Graham
Born Died 1424 Buried Married Bef 15 May 1416 [1, 2] Other Spouse (Unknown first wife of William Graham) | F20948 Married Father Patrick de Graham | F20949 Group Sheet Mother Matilda | F20949 Group Sheet
Mother | Female
Mary Stewart
Born Abt 1382 Died Aft 20 Mar 1458 Buried Other Spouse George Douglas | F15873 Married Aft 24 May 1397 Father Robert III, King of Scots | F12449 Group Sheet Mother Annabella Drummond | F12449 Group Sheet
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Sources - [S800] The Scots Peerage, Founded on Wood's Edition of Sir Robert Douglas's Peerage of Scotland, Containing an Historical and Genealogical Account of the Nobility of That Kingdom. Ed. James Balfour Paul. Edinburgh: David Douglas, 1904-1914.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [S800] The Scots Peerage, Founded on Wood's Edition of Sir Robert Douglas's Peerage of Scotland, Containing an Historical and Genealogical Account of the Nobility of That Kingdom. Ed. James Balfour Paul. Edinburgh: David Douglas, 1904-1914.