Nielsen Hayden genealogy
Descendants of Thomas Basset
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Father: Thomas Basset
(of Headington, Oxfordshire, England - Abt 1182)
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Mother: Alice de Dunstanville
(of Shiplake, Oxfordshire, England - Aft 1181)
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Thomas Basset (of Headington, Oxfordshire, England - Bef 1 May 1220)
    + William II Malet
(Bef 1174 of Curry Mallet, Langport, Somerset, England - Abt 1216)
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John Biset
(of Kidderminster, Worcestershire, England - 1241 bur.Maiden Bradley Priory, Wiltshire, England)
    (m. Bef 1223)
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    (m. Bef 1223)
       ├─ Isabel Biset
( - Bef Jan 1279 bur.Hook Norton Church, Oxfordshire, England)
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       │
Hugh de Plessis
(Between 1237 and 1239 of Hook Norton, Oxfordshire, England - Bef 7 Jul 1292)
       │ (m. Bef Oct 1249)
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       │ (m. Bef Oct 1249)
       │    │ + John Gernon
(of East Lavington, Wiltshire, England - ??)
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