John M. Clemens
(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 John M. Clemens [1]
- Jane Lampton
- 2 Samuel Langhorne "Mark Twain" Clemens [1.1] b. 1835 d. 1910
- 2 Samuel Langhorne "Mark Twain" Clemens [1.1]