Nielsen Hayden genealogy
Descendants of Thomas of Brotherton
1300 - 1338 (38 years)Father: Edward I, King of England (17 Jun 1239 Westminster Palace, Westminster, Middlesex, England - 7 Jul 1307 Burgh-by-Sands, Carlisle, Cumberland, England)
Mother: Marguerite of France, Queen Consort of England (1279 - 14 Feb 1317 Marlborough Castle, Wiltshire, Engand)
Thomas of Brotherton (1 Jun 1300 Brotherton, Yorkshire, England - 22 Aug 1338 bur.Abbey of Bury St. Edmunds, Suffolk, England)
Alice de Hales (Aft 1303 Norfolk, England - Between 8 May 1326 and 12 Oct 1330)(m. Aft Jun 1321)
   └─ Margaret Marshal (Abt 1320 - 24 Mar 1399 bur.Christ Church Greyfriars, Newgate, London, England)
    John de Segrave (4 May 1315 - 1 Apr 1353 Bretby, Repton, Derbyshire, England)(m. Aft 3 Mar 1327)
    :   └─ Elizabeth de Segrave (25 Oct 1338 Croxton Abbey, Melton Mobray, Leicestershire, England -
    :    Between 1364 and 1368)
    :    Between 1364 and 1368)
    :    John Mowbray (25 Jun 1340 Epworth, Lincolnshire, England - 17 Jun 1368 Thrace, near Constantinople)
    :    (m. Aft 25 Mar 1349)
    :    (m. Aft 25 Mar 1349)
    :       │ + Thomas III Gray (Abt 1359 of Heaton, Wark-on-Tweed, Northumberland, England - 26 Nov 1400)
    :       │ (m. Bef 1384)
    :       │ (m. Bef 1384)
    :       │ + John Welles (20 Apr 1352 Conisholme, Lincolnshire, England - 26 Aug 1421)(m. Bef 1368)
    :       └─ Thomas Mowbray (22 Mar 1368 - 22 Sep 1399 Venice, Veneto, Italy) =>
    :        + Elizabeth Fitz Alan (Abt 1371 - 8 Jul 1425)(m. Jul 1384 Arundel, Sussex, England)
    + Walter de Mauny (Abt 1310 - Jan 1372 bur.Charterhouse, Smithfield, London, England)(m. Bef 30 May 1354)