Nielsen Hayden genealogy
Descendants of Alexander Comyn
- 1308Father: Alexander Comyn (of Buchan, Aberdeenshire, Scotland - Bef 6 Apr 1290)
Mother: Elizabeth de Quincy ( - Bef 4 May 1303)
Alexander Comyn ( - 1308)
   └─ Alice Comyn ( - Bef 10 Aug 1349)
    Henry de Beaumont ( - 10 Mar 1340)(m. Bef 14 Jul 1310)
       ├─ Isabel de Beaumont ( - Aft 24 Mar 1361)
       │ Henry of Grosmont (1314 - 24 Mar 1361 Leicester, Leicestershire, England)(m. Abt 1337)
       │    └─ Blanche of Lancaster (25 Mar 1342 - 12 Sep 1368 bur.St. Paul's Cathedral, London, England) =>
       │     + John of Gaunt (Mar 1340 Abbey of St. Bavo, Ghent, Flanders - 3 Feb 1399 Leicester Castle, Leicester,
       │     Leicestershire, England)(m. May 1359 Reading Abbey, Berkshire, England)
       │     Leicestershire, England)(m. May 1359 Reading Abbey, Berkshire, England)
       └─ John de Beaumont (Abt 1318 - 14 Apr 1342 Northampton, Northamptonshire, England)
        Eleanor of Lancaster (Abt 1318 - 11 Jan 1372 Arundel, Sussex, England)(m. Bef Jun 1337)
           └─ Henry de Beaumont (1340 Brabant, Flanders -
            25 Jul 1369 bur.Sempringham Priory, Lincolnshire, England) =>
            25 Jul 1369 bur.Sempringham Priory, Lincolnshire, England) =>
            + Margaret de Vere ( - 15 Jun 1398 bur.Grey Friars, Smithfield, London, England)(m. Bef 15 Feb 1363)