Nielsen Hayden genealogy
Family: John St. John / Sibyl ferch Morgan ap Jenkin ap Philip (F9791)
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Male
John St. John
Birth of Bletsoe, Bedfordshire, England 
Death Between 22 Mar 1525 and 23 May 1525 Burial Marriage Father John St. John | F9794 Group Sheet Mother Alice Bradschagh | F9794 Group Sheet
Female
Sibyl ferch Morgan ap Jenkin ap Philip
Birth Death Burial Father Morgan ap Jenkin ap Philip | F9792 Group Sheet Mother Margred | F9792 Group Sheet
Male
+ Alexander St. John
Birth of Thurleigh, Bedfordshire, England Death Burial Spouse Jane Dalison | F9789 Marriage
Male
+ John St. John
Birth Bef 1495 of Bletsoe, Bedfordshire, England Death 19 Dec 1558 Burial Spouse Ann Neville | F15827 Marriage Spouse Margaret Waldegrave | F17715 Marriage Bef 1522