Hans Otto was born on October 11, 1881, in Oderfurt, Moravia, Austria-Hungary (now Privoz, Czech Republic).
Hans-Otto Borgmann was born in 1901.
Hans-Otto Meissner was born in 1909.
Hans-Otto Schumacher was born in 1950.
Hans Otto Storm was born in 1895.
Hans Otto Bisgaard was born on August 7, 1945.
Hans Otto Nielsen was born on February 26, 1905, in Frederiksberg, Denmark.
Hans-Otto Borgmann died in 1977.
Hans-Otto Meissner died in 1992.
Hans Otto Storm died in 1941.
Hans Otto Nielsen died on December 6, 1981.
Hans Otto died on May 8, 1931, in Vienna, Austria.
Hans Otto Gericke has written: 'Braunes Gold in Anhalt'