Nielsen Hayden genealogy
Descendants of (Unknown mistress of William the Lion, King of Scotland)
(Unknown mistress of William the Lion, King of Scotland)
William I "The Lion", King of Scotland (1143 - 4 Dec 1214 Stirling, Stirlingshire, Scotland)
   └─ Ada of Scotland ( - Bef 24 Sep 1200)
    Patrick of Dunbar (1152 - 31 Dec 1232 bur.St. Mary's Cistercian convent, Eccles, Berwickshire, Scotland)
    (m. 1184)
    (m. 1184)
       └─ Patrick of Dunbar (Abt 1185 - Aft 28 Jun 1248 Marseilles, France)
        Euphame de Brus ( - Abt 1267)(m. Bef 1213)
           │ + Roger fitz John (Aft 1219 of Warkworth, Northumberland, England - Bef 22 Jun 1249 Normandy, France)
           └─ Patrick of Dunbar (Abt 1213 - 24 Aug 1289 Whittingham, East Lothian, Scotland) =>
            + Cecily fitz John (m. Bef 1242)