Nielsen Hayden genealogy
Family: John Clifford / Elizabeth Percy (F15964)
m. Between Aug 1403 and 5 Nov 1412-
Father | Male
John Clifford
Born Abt 1389 Died 13 Mar 1422 Mieux, France 
Buried Married Between Aug 1403 and 5 Nov 1412 [1] Father Thomas de Clifford | F15965 Group Sheet Mother Elizabeth de Ros | F15965 Group Sheet
Mother | Female
Elizabeth Percy
Born Died 26 Oct 1436 Buried Staindrop, Durham, England 
Father Henry "Hotspur" Percy | F11196 Group Sheet Mother Elizabeth Mortimer | F11196 Group Sheet
Child 1 | Female
+ Mary Clifford
Born Died Buried Friars Minor, Ipswich, Suffolk, England 
Spouse Philip Wentworth | F10195 Married
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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.