Johann Léopold Daumer
- Born on August 31, 1823
- Deceased on December 18, 1884, at the age of 61 years
Parents
- Johann Leopold Deumer (1771 - 1840)
- Catharina Marguareta Kayser (1778 - 1839)
Family
- Married on February 26, 1858, with Henriette Mertens (1836 - 1893), issuing
- Wilhelm (1861 - 1904)