9 Sep 1725 - Birth of his biological mother Abigail Piper at Ipswich, Essex County, Massachusetts, USA 

11 May 1727 - Birth of his biological father Joseph Hodgman at Reading, Middlesex County, Massachusetts, USA 

20 Jul 1749 - Marriage of parents at Concord, Middlesex County, Massachusetts Colony 

1766 - Birth at Concord, Middlesex County, Massachusetts, USA 

1789 - Burial of his biological father Joseph Hodgman

1789 - Death of his biological father Joseph Hodgman at Merrimack, Hillsborough County, New Hampshire, USA 

1795 - Burial of his biological mother Abigail Piper

1795 - Death of his biological mother Abigail Piper at Concord, Middlesex County, Massachusetts, USA