Martha Unknown
(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Martha Unknown [1]
- Herman Ringgenberg b. 12 Nov 1895 d. 21 Jul 1969
- 2 Ringgenberg [1.1]
- 2 Ringgenberg [1.2]
- 2 Ringgenberg [1.3]
- 2 Ringgenberg [1.1]