Nielsen Hayden genealogy
Family: John Giffard le Boef / Alexandra de Gardinis (F6039)
m. Abt 1300-
Father | Male
John Giffard le Boef
Born Abt 1270 of Twyford, Buckinghamshire, England 
Died Aft 30 Mar 1328 Buried Married Abt 1300 [1, 2] Father John Giffard le Boef | F6102 Group Sheet Mother
Mother | Female
Alexandra de Gardinis
Born Died Bef 1328 Buried Father Thomas de Gardinis | F6051 Group Sheet Mother
Child 1 | Male
+ John Giffard
Born 1301 of Twyford, Buckinghamshire, England 
Died 25 Jan 1369 Buried Spouse Lucy de Morteyn | F6035 Married
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Sources - [S968] G. Andrews Moriarty, "Genealogical Research in England." The New England Historical and Genealogical Register 74:231, 74:267, 1920; 75:57, 75:129, 1921.
- [S1526] The Ancestry of Dorothea Poyntz, Wife of Reverend John Owsley, Generations 1-15, Fourth Preliminary Edition, by Ronny O. Bodine and Bro. Thomas Spalding, Jr. 2013., "c1300/1".
- [S968] G. Andrews Moriarty, "Genealogical Research in England." The New England Historical and Genealogical Register 74:231, 74:267, 1920; 75:57, 75:129, 1921.