Friedrich Dürrenmatt died on December 14, 1990 at the age of 69.
Friedrich Kiel died in 1885.
Friedrich Schlichtegroll died in 1822.
Friedrich Schlemm died in 1858.
Friedrich Frisius died in 1970.
Friedrich Weinreb died in 1988.
Friedrich Brentel died in 1651.
Friedrich Rainer died in 1947.
Friedrich Paulsen died in 1908.
Friedrich Münzer died in 1942.
Friedrich Weinbrenner died in 1826.
Friedrich Marx died in 1941.
Friedrich Mauz died in 1979.