Nielsen Hayden genealogy
Descendants of Gratney of Mar
Abt 1270 - Bef 1305 (~ 35 years)Father: Donald of Mar ( - Aft 25 Jul 1297)
Mother: Ellen ( - Aft Feb 1294)
Gratney of Mar (Abt 1270 - Bef Sep 1305)
   ├─ Ellen of Mar ( - Aft 1342)
   │ John Menteith (of Arran, Ayrshire, Scotland - Abt 1344)
   │    └─ Christian Menteith ( - Abt 1387)
   │     Edward Keith ( - Bef 1352)
   │     :    + Thomas Erskine ( - Between 11 Nov 1403 and 18 May 1404)(m. Bef 13 Apr 1370)
   │     + Robert Erskine of that Ilk ( - Between 14 May 1385 and 11 Nov 1385)(m. Abt 1352)
   └─ Donald, Regent of Scotland (Abt 1293 - 12 Aug 1332 Dupplin, Perth, Scotland)
    Isabel Stewart ( - Between 15 Jun 1347 and 15 Jan 1348)
       └─ Margaret Mar ( - Bef 22 Nov 1393)
        William de Douglas (Abt 1320 - Abt May 1384 Douglas, Lanarkshire, Scotland)(m. Bef 13 Nov 1357)
           └─ James Douglas (Abt 1358 - Aug 1388 Otterburn, Northumberland, England) =>
            +