Show Bio Birth name Dorothea Christiane Marie Maßmann Place of Birth Dargun, Mecklenburg-Schwerin, Germany Go to profile page Dorothea Maßmann (1847) Husband Go to profile page Johann Köhn (1845) Daughter Go to profile page Bertha Maßmann (1868 - 1940) Daughter Go to profile page Ida Köhn (1878 - 1964)