Johann Jahn died in 1816.
Johann Natterer died in 1843.
Johann von Appel was born in 1826.
Johann Heinrich Merck died in 1791.
Johann Philipp Palm died in 1806.
Johann Voldemar Jannsen died in 1890.
Johann Jahn was born in 1750.
Rudolf Jahn died in 1990.
Lilli Jahn died in 1944.
Jan Jahn died in 1802.
Alfred Jahn died in 1999.
Gunnar Jahn died in 1971.
Wilhelm Jahn died in 1900.
Otto Jahn died in 1869.
Uwe Jahn has written: 'Die \\'
Marie-Luise Jahn died in 2010.
Alfredo Jahn died on 1940-07-12.
Jahn Brochmann Halvorsen died in 1976.