Nielsen Hayden genealogy
Family: Roger de Clifford / Isabel de Vipont (F1429)
m. Aft 28 Jun 1265
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Male
Roger de Clifford
Birth Abt 1242 of Appleby, Westmorland, England 
Death 6 Nov 1282 Moel-y-Don, Wales 
Burial Llanfaes Friary, Beaumaris, Gwynedd, Wales 
Marriage Aft 28 Jun 1265 [1] Father Roger de Clifford | F1437 Group Sheet Mother Maud | F1437 Group Sheet
Female
Isabel de Vipont
Birth Abt 1248 of Appleby, Westmorland, England 
Death 1291 Burial Shap Abbey, Westmorland, England 
Father Robert de Vipont | F1450 Group Sheet Mother Isabel fitz John | F1450 Group Sheet
Male
+ Robert de Clifford
Birth Abt 1 Apr 1274 Death 24 Jun 1314 Bannockburn, Stirlingshire, Scotland 
Burial Shap Abbey, Westmorland, England 
Spouse Maud de Clare | F282 Marriage 13 Nov 1295
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Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.