Nielsen Hayden genealogy
Descendants of Jean Comyn
Father: William Comyn ( - 1233)
Jean Comyn
William of Ross ( - Abt 18 May 1274)
   └─ William Ross ( - 28 Jan 1323 Delny, Ross-shire, Scotland)
    Euphemia de Barclay
       └─ Hugh Ross ( - 19 Jul 1333 Halidon Hill, Northumberland, England)
        Maud Bruce ( - Aft Sep 1323)(m. 1308)
        :   │ + Malise of Strathearn ( - Between 7 Jun 1344 and 11 Nov 1357)(m. Between 1325 and 1328)
        :   └─ William de Ross ( - 9 Feb 1372 Delny, Ross-shire, Scotland) =>
        :    + Mary of the Isles (m. 25 May 1342)
        Margaret Graham (m. Bef 24 Nov 1329)
           └─ Euphemia Ross ( - 20 Feb 1388 bur.Dunfermline Abbey, Fife, Scotland) =>
            + Robert II, King of Scots (2 Mar 1316 Paisley, Renfrewshire, Scotland -
            19 Apr 1390 Dundonald Castle, South Ayrshire, Scotland)(m. Abt May 1355)
            19 Apr 1390 Dundonald Castle, South Ayrshire, Scotland)(m. Abt May 1355)