Nielsen Hayden genealogy
Descendants of William de Percy
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Father: Henry de Percy
(of Petworth, Sussex, England - Bef 29 Sep 1198)
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Mother: Isabel de Brus
(of Skelton, Yorkshire, England - Aft 1230)
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William de Percy (Abt 1193 of Topcliffe, Yorkshire, England - Bef 28 Jul 1245 bur.Sallay Abbey, Yorkshire, England)
:   
Ralph fitz Ranulph
(of Middleham, Durham, England - 31 Mar 1270 bur.Coverham Abbey, Yorkshire, England)
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:       └─ Mary Fitz Ranulph
( - Bef 11 Apr 1320 bur.Coverham Abbey, Yorkshire, England)
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:       
Robert de Neville
(Bef 1240 of Middleham, Yorkshire, England - 6 Aug 1271)(m. Abt 1260)
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:           └─ Ranulph de Neville
(18 Oct 1262 of Raby, Durham, England -
:            Aft 18 Apr 1331 bur.Coverham Abbey, Yorkshire, England) =>
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:            Aft 18 Apr 1331 bur.Coverham Abbey, Yorkshire, England) =>
:            + Euphemia de Clavering
(Aft 1265 - Abt 1320 bur.Staindrop, Durham, England)(m. Bef 12 Mar 1281)
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   └─ Henry de Percy
(Abt 1235 of Topcliffe, Yorkshire, England -
    29 Aug 1272 bur.Sallay Abbey, Yorkshire, England)
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    29 Aug 1272 bur.Sallay Abbey, Yorkshire, England)
   
Eleanor de Warenne
(1251 - Aft 1282 bur.Sallay Abbey, Yorkshire, England)
    (m. 8 Sep 1268 York, Yorkshire, England)
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    (m. 8 Sep 1268 York, Yorkshire, England)
       └─ Henry de Percy
(25 Mar 1273 Petworth, Sussex, England - 2 Oct 1314 Alnwick, Northumberland, England)
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Eleanor de Arundel
(Abt 1284 Arundel, Sussex, England - 1328 bur.Beverley, Yorkshire, England)
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           └─ Henry de Percy
(1299 - 26 Feb 1352 Warkworth, Northumberland, England) =>
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            + Idoine de Clifford
(of Appleby, Westmorland, England -
            24 Aug 1365 bur.Beverley Minster, Yorkshire, England)(m. Abt 1318)
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            24 Aug 1365 bur.Beverley Minster, Yorkshire, England)(m. Abt 1318)