Nielsen Hayden genealogy
Family: Roger de Clifford / Maud (F1437)
m. Bef 1242
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Male
Roger de Clifford
Birth Abt 1221 of Tenbury, Worcestershire, England 
Death Bef 3 Apr 1286 Burial Dore Abbey, Herefordshire, England 
Marriage Bef 1242 [1] Father Roger de Clifford | F1438 Group Sheet Mother Sibyl de Ewyas | F1438 Group Sheet
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 
Spouse Isabel de Vipont | F1429 Marriage Aft 28 Jun 1265
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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.