Nielsen Hayden genealogy
Robert de Septvans
Abt 1209 - Bef 1253 (< 44 years)(
= Descendancy chart to this point, 
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- 1 Robert de Septvans [1] b. Abt 1209 d. Bef 20 Jan 1253
- Isabel
- 2 Joan de Septvans [1.1] b. Abt 1245 d. Bef 1298
- John de Cobham b. Abt 1229 d. Bef 30 Mar 1300
- 3 John Cobham [1.1.1] d. Bef 27 Dec 1335
- Amicia Bolhay
- 4 Isabel Cobham [1.1.1.1] d. Bef Apr 1337
[ =>]
- 4 Isabel Cobham [1.1.1.1]
- 3 Henry de Cobham [1.1.2] b. Abt 1260 d. 25 Aug 1339
- Maud de Morville
- 4 John de Cobham [1.1.2.1] d. 25 Feb 1355
[ =>]
- 4 John de Cobham [1.1.2.1]
- 3 John Cobham [1.1.1]
- 2 Joan de Septvans [1.1]