Nielsen Hayden genealogy
Descendants of (Unknown heir of Duncan of Kilconquhar)
1210 - Bef 1240 (~ 39 years)Father: Duncan of Kilconquhar (Abt 1175 - Aft 1236)
(Unknown heir of Duncan of Kilconquhar) (Between 1200 and 1210 - Bef 1240)
   └─ Adam of Kilconquhar (Abt 1235 - Bef 1273 Acre, Palestine)
    Marjory of Carrick (Abt 1252 - Bef Nov 1292)(m. Between 1260 and 1266)
       └─ (Unknown half-sister of Robert de Brus, King of Scotland)
        Thomas Randolph (Abt 1255 of Stichill, Roxburghshire, Scotland - Aft 1293)
           └─ Thomas Randolph ( - 20 Jul 1332 Musselburgh, East Lothian, Scotland) =>
            + Isabel Stewart ( - Aft 16 Jul 1351)