Nielsen Hayden genealogy
Family: John Marshal / Hawise de Say (F11542)
m. Aft 1267-
Father | Male
John Marshal
Born Abt 1257 of Hingham, Norfolk, England 
Died Bef 4 Dec 1282 Buried Married Aft 1267 [1] Father William Marshal | F11544 Group Sheet Mother Pernel del Ortiay | F11544 Group Sheet
Mother | Female
Hawise de Say
Born Died Aft 1317 Buried Father William de Say | F9421 Group Sheet Mother Sibyl | F9421 Group Sheet
Child 1 | Male
+ William Marshal
Born Abt 24 Sep 1277 Denham, Suffolk, England 
Died 24 Jun 1314 Bannockburn, Stirlingshire, Scotland 
Buried Spouse Christian de Burgh | F11541 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.