20 Sep 1893 - Birth of his biological mother Madeline Heminway at Watertown, Litchfield County, Connecticut, USA 

23 Dec 1895 - Birth of his biological father Robert Holden at Brookline, Norfolk County, Massachusetts, USA 

23 Jan 1921 - Birth at Massachusetts, USA 

17 Nov 1944 - (23 years) Death of his biological father Robert Holden at Haverford, Delaware County, Pennsylvania, USA 

Aug 1970 - (49 years) Death of his biological mother Madeline Heminway at Haverford, Delaware County, Pennsylvania, USA 

19 May 2002 - (81 years) Death at Redwood City, San Mateo County, California, USA