Nielsen Hayden genealogy
Descendants of Mary de Ros
- Bef 1326Father: Robert de Ros (of Helmsley, Yorkshire, England - 17 May 1285 bur.Kirkham Priory, Yorkshire, England)
Mother: Isabel d'Aubeney (Abt 1233 - 15 Jun 1301 bur.Newstead Priory, Lincolnshire, England)
Mary de Ros ( - Bef 23 May 1326)
William de Brewes (Abt 1224 of Bramber, Sussex, England - 6 Jan 1291 Findon, Sussex, England)(m. Bef 1272)
   └─ Peter de Brewes (Abt 1273 of Tetbury, Gloucestershire, England - Bef 7 Feb 1312)
    Agnes ( - Bef 1332)(m. Aft 6 Jun 1300)
       ├─ Peter de Brewes (of Wiston, Sussex, England - Bef 4 Oct 1378)
       │ Joan Howard ( - 3 Jan 1370 Chesham Bois, Buckinghamshire, England)(m. Abt 1359)
       │     + Hugh Shirley (Abt 1362 of Lower Ettington, Warwickshire, England -
       │     22 Jul 1403 Shrewsbury, Shropshire, England)(m. Bef 1383)
       │     22 Jul 1403 Shrewsbury, Shropshire, England)(m. Bef 1383)
       ├─ Margaret de Brewes (Abt 1303 - 1349)
       │ Thomas de Monthermer (4 Oct 1301 - 1340)
       │    └─ Margaret Monthermer (1329 - 24 Mar 1395 bur.Selwood Priory, Wiltshire, England) =>
       │     + John de Montagu (Abt 1329 of Wark-upon-Tweed, Northumberland, England -
       │     25 Feb 1390 bur.Lady Chapel, Salisbury Cathedral, Wiltshire, England)
       │     25 Feb 1390 bur.Lady Chapel, Salisbury Cathedral, Wiltshire, England)
       └─ John de Brewes (Abt 1303 - 1342)
        Margaret Trehampton ( - 1354)
            + Urian de St. Pierre (1329 - 1376)(m. Bef 1348)