Nielsen Hayden genealogy
Descendants of Rose de Clare
1252 - Aft 1315 (> 64 years)Father: Richard de Clare (4 Aug 1222 of Clare, Suffolk, England - Jul 1262 Ashenfield, Waltham, Kent, England)
Mother: Maud de Lacy ( - Bef 10 Mar 1289)
Rose de Clare (17 Aug 1252 - Aft 1315 bur.Church of the Friars Preachers, Pontefract, Yorkshire, England)
Roger de Mowbray (Abt 1257 of the Isle of Axholme, Lincolnshire, England -
1296 bur.Church of the Friars Preachers, Pontefract, Yorkshire, England)(m. Aft 15 Jul 1270)
1296 bur.Church of the Friars Preachers, Pontefract, Yorkshire, England)(m. Aft 15 Jul 1270)
   └─ John de Mowbray (4 Sep 1286 of the Isle of Axholme, Lincolnshire, England -
    23 Mar 1322 York, Yorkshire, England)
    23 Mar 1322 York, Yorkshire, England)
    Aline de Brewes (Abt 1290 of Bramber, Sussex, England - Bef 23 Jun 1324)(m. 1298 Swansea, Glamorgan, Wales)
       └─ John de Mowbray (29 Nov 1310 Hovingham, Yorkshire, England - 4 Oct 1361 York, Yorkshire, England)
        + Maud de Holand (Abt 1315 - Bef 10 May 1380 bur.Swinnerton, Staffordshire, England)(m. Bef 26 Feb 1322)
        Joan of Lancaster (Abt 1312 - Abt 1349 bur.Byland, Yorkshire, England)
        (m. Between 28 Feb 1327 and 4 Jun 1328)
        (m. Between 28 Feb 1327 and 4 Jun 1328)
           │ + Roger la Warre (30 Nov 1326 of Ewyas Harold, Herefordshire, England - 27 Aug 1370 Gascony, France)
           │ (m. Bef 23 Jul 1358)
           │ (m. Bef 23 Jul 1358)
           └─ John Mowbray (25 Jun 1340 Epworth, Lincolnshire, England -
            17 Jun 1368 Thrace, near Constantinople) =>
            17 Jun 1368 Thrace, near Constantinople) =>
            + Elizabeth de Segrave (25 Oct 1338 Croxton Abbey, Melton Mobray, Leicestershire, England -
            Between 1364 and 1368)(m. Aft 25 Mar 1349)
            Between 1364 and 1368)(m. Aft 25 Mar 1349)