Nielsen Hayden genealogy
Descendants of Margaret de Mohun
Father: John de Mohun (Abt 1299 of Dunster, Williton, Somerset, England - Bef 1330 Scotland)
Mother: Christian de Segrave ( - Aft 1332)
Margaret de Mohun
John de Carew (of Carew Castle, Pembrokeshire, Wales - 1362)
   └─ Leonard de Carew (23 Apr 1342 Stoke Fleming, Devon, England - 9 Oct 1369)
    Elizabeth Arundel ( - Between 29 Sep 1385 and Mar 1386)
       └─ Thomas Carew (Abt 1368 of Carew Castle, Pembrokeshire, Wales - 25 Jan 1431)
        Elizabeth Bonville ( - Bef 1 Nov 1452)(m. Bef 1395)
           └─ Nicholas Carew (Abt 1409 of Carew Castle, Pembrokeshire, Wales - Bef 20 Apr 1448) =>
            + Joan Courtenay ( - Bef 3 Aug 1465)