27 September 1852–16 December 1897 (Age 45)
Köniz, Bern, Switzerland
When Johann Friedrich Hänni was born on 27 September 1852, in Köniz, Bern, Switzerland, his father, Johannes Hänni, was 44 and his mother, Margaretha Zehnder, was 32. He died on 16 December 1897, at the age of 45.
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