Nielsen Hayden genealogy
Isabel Biset
- Bef 1279(
= Descendancy chart to this point, 
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- 1 Isabel Biset [1] d. Bef Jan 1279
- Hugh de Plessis b. Between 1237 and 1239 d. Bef 7 Jul 1292
- 2 Alice de Plessis [1.1] d. Aft 1301
- John Gernon
- 3 Margaret Gernon [1.1.1] d. Aft 1352
- Geoffrey de Gresley d. Abt 1332
- 4 John Gresley [1.1.1.1] b. Abt 1328 d. Aft 1395
[ =>]
- 4 John Gresley [1.1.1.1]
- 3 John Gernon [1.1.2] d. 1339
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- 4 Elizabeth Gernon [1.1.2.1]
[ =>]
- 4 Elizabeth Gernon [1.1.2.1]
- 3 Katherine Gernon [1.1.3]
- Richard Dauntsey
- 4 John Dauntsey [1.1.3.1] d. 31 Oct 1391
[ =>]
- 4 John Dauntsey [1.1.3.1]
- 3 Margaret Gernon [1.1.1]
- 2 Margaret de Plessis [1.2]
- William de Bereford d. Bef 20 Aug 1326
- 3 Margaret de Bereford [1.2.1]
- James de Audley d. Abt 1335
- 4 (Unknown) de Audley [1.2.1.1]
[ =>]
- 4 (Unknown) de Audley [1.2.1.1]
- 3 Agnes de Bereford [1.2.2] d. 18 Jul 1375
- + John de Argentein d. Bef 20 Oct 1318
- + John de Nerford d. 5 Feb 1329
- + John Mautravers b. Abt 1290 d. 16 Feb 1364
- + John de Argentein d. Bef 20 Oct 1318
- 3 Margaret de Bereford [1.2.1]
- 2 Alice de Plessis [1.1]