Title: The descendents of Charles F.M. Hahn (Carl Friederick Martin Hahn) and Rosa Dorothea Ohmenhäuser (Dorothea Rosina Fredericka Ohmenhäuser)
Subjects: Family
People: Charles F. M. Hahn (1848-1897), Hahn family, Rosa Dorothea Ohmenhäuser (1848-1937)