30 Jul 1869 - Birth of his biological father James Cookman at Mansonville, Brome, Quebec, Canada 

Abt 1881 - Birth of his biological mother Bertha Stanhope at Bethel, P.Q., Canada 

Sep 1900 - Marriage of parents at Roxton Falls, Acton, Quebec, Canada 

20 Jan 1935 - Death of his biological father James Cookman at Landaff, Grafton County, New Hampshire, USA 

Jan 1935 - Burial of his biological father James Cookman

5 Oct 1942 - Death of his biological mother Bertha Stanhope at Haverhill, Grafton County, New Hampshire, USA