John Henry Hammaker
(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 John Henry Hammaker
- Sarah P. Rockafellow
- 2 Oscar Franklin Hammaker b. 19 Oct 1870 d. 30 Mar 1956
- Kathryn May Webb b. 24 Apr 1874 d. 24 Sep 1942
- 3 Keith Hammaker b. 7 Jun 1906 d. Jun 1981
- 3 Alice Marie Hammaker b. 8 Apr 1910 d. Nov 1983
- 3 Keith Hammaker
- 2 Oscar Franklin Hammaker