Nielsen Hayden genealogy
Family: Henry Spencer / Isabel (F13288)
m. Bef 1444-
Male
Henry Spencer
Birth Between 1400 and 1409 of Badby, Northamptonshire, England 
Death Aft 1 Jun 1469 Burial Marriage Bef 1444 [1] Father Mother
Male
+ John Spencer
Birth Abt 1438 of Hodnell, Warwickshire, England Death 4 Jan 1497 Hodnell, Warwickshire, England Burial Spouse Anne Empson | F1167 Marriage
Male
+ William Spencer
Birth Abt 1444 of Radbourne, Warwickshire, England Death Bef 1496 Burial Spouse Elizabeth Empson | F18668 Marriage
Male
+ Thomas Spencer
Birth Abt 1452 of Badby, Northamptonshire, England Death Between 30 Jun 1493 and 15 Sep 1496 Badby, Northamptonshire, England Burial Spouse Margaret | F8140 Marriage
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Notes - Stott (citation details below) says that they married "before 1444, when together they joined the Guild of the Holy Cross." But Stott also estimates the birth of their jon John as 1438, so presumably they were married in that year or before.
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Sources - [S4464] Clifford L. Stott, "Ancestry of Agnes Spencer, Wife of Thomas Higginson of Berkeswell, Warwickshire, Ancestor of Nine American Immigrants, Cousin to Diana, Princess of Wales, Sir Winston Churchill, President George Washington, and Others." The New England Historical and Genealogical Register 174:199, Summer 2020; 174:330, Fall 2020.
- [S4464] Clifford L. Stott, "Ancestry of Agnes Spencer, Wife of Thomas Higginson of Berkeswell, Warwickshire, Ancestor of Nine American Immigrants, Cousin to Diana, Princess of Wales, Sir Winston Churchill, President George Washington, and Others." The New England Historical and Genealogical Register 174:199, Summer 2020; 174:330, Fall 2020.