Nielsen Hayden genealogy
Family: John Gerard / Isabel (F21020)
m. 16 Feb 1608-
Father | Male
John Gerard
Born 1584 of the New Hall in Ashton-in-Makerfield, Lancashire, England 
Died Aft 1648 Buried Married 16 Feb 1608 [1, 2] Father Thomas Gerard | F21019 Group Sheet Mother Grace | F21019 Group Sheet
Child 1 | Male
+ Dr. Thomas Gerard
Born Bef 10 Dec 1608 Died Between 28 Jan 1673 and 19 Nov 1673 Westmoreland County, Virginia 
Buried St. Clement's, St. Mary's County, Maryland 
Spouse Susanna Snow | F20986 Married Aft 21 Sep 1629
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Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [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.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.