Nielsen Hayden genealogy
Family: Thomas Giffard / Elizabeth de Missenden (F6034)
m. Abt 1361-
Father | Male
Thomas Giffard
Born Abt 1345 of Twyford, Buckinghamshire, England 
Died 25 Sep 1394 Buried Married Abt 1361 [1, 2, 3] Father John Giffard | F6035 Group Sheet Mother Lucy de Morteyn | F6035 Group Sheet
Child 1 | Male
+ Roger Giffard
Born Abt 1367 of Twyford, Buckinghamshire, England Died 14 Apr 1409 Buried Spouse Elizabeth | F13330 Married Abt 1399 Spouse Isabel Stretley | F6031 Married Bef 1408
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Sources - [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.
- [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.
- [S977] The Blackmans of Knight's Creek: Ancestors and Descendants of George and Maria (Smith) Blackman by Henry James Young. Carlisle, Pennsylvania: 1980.
- [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.