3 Apr 1818 - Birth of his biological mother Abigail Dutton at Sudbury, Middlesex County, Massachusetts, USA 

Abt 1818 - Birth of his biological father Rufus Willis at Sudbury, Middlesex County, Massachusetts, USA 

1 Sep 1839 - Marriage of parents at Sudbury, Middlesex County, Massachusetts, USA 

1841 - Birth at Waltham, Middlesex County, Massachusetts, USA 

12 May 1880 - (39 years) Death of his biological mother Abigail Dutton

9 Oct 1896 - (55 years) Cause of Death: Paralysis at Harvard, Worcester County, Massachusetts, USA 

9 Oct 1896 - (55 years) Death at Harvard, Worcester County, Massachusetts, USA