Nielsen Hayden genealogy
Family: William de Greystoke / Joan Fitz Hugh (F13252)
m. Abt 9 Oct 1351-
Father | Male
William de Greystoke
Born 6 Jan 1321 Grimthorpe, Yorkshire, England 
Died 10 Jul 1359 Brancepeth, Durham, England 
Buried Greystoke Church, Greystoke, Cumberland, England 
Married Abt 9 Oct 1351 [1] Father Ralph de Greystoke | F13253 Group Sheet Mother Alice de Audley | F13253 Group Sheet
Mother | Female
Joan Fitz Hugh
Born Died 1 Sep 1403 Clerkenwell, Middlesex, England 
Buried Clerkenwell, Middlesex, England 
Father Henry Fitz Hugh | F10849 Group Sheet Mother Joan de Fourneux | F10849 Group Sheet
Child 1 | Male
+ Ralph de Greystoke
Born 18 Oct 1353 Kirkby Ravensworth, Yorkshire, England 
Died 6 Apr 1418 Buried Spouse Katherine Clifford | F13251 Married Bef 1378
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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.