04 Dec 1781 - Birth of his wife Sybel Montague

25 Jul 1784 - Birth at Amherst, Hampshire County, Massachusetts, USA 

25 Nov 1813 - (29 years) Birth of his daughter Maria Cowles at Antrim, Hillsborough County, New Hampshire, USA 

20 Dec 1839 - (55 years) Death of his wife Sybel Montague at Amherst, Hampshire County, Massachusetts, USA 

Dec 1839 - (55 years) Burial of his wife Sybel Montague at North Cemetery, Amherst, Hampshire County, Massachusetts, USA 

22 Feb 1849 - (64 years) Death at North Amherst, Hampshire County, Massachusetts, USA 

Feb 1849 - (64 years) Burial at North Cemetery, Amherst, Hampshire County, Massachusetts, USA 

30 Apr 1897 - Death of his daughter Maria Cowles

May 1897 - Burial of his daughter Maria Cowles at North Cemetery, Amherst, Hampshire County, Massachusetts, USA