Johan Frederik Rudolph van Hooff died in 1816.
Johan Frederik Schlegel died in 1896.
Johan Frederik Steffensen died in 1961.
Johan Frederik Thorne died in 1854.
Frederik Johan van Baer died in 1713.
Carl Johan Frederik Jakhelln died in 1987.
Johan Frederik van Oordt died in 1852.
Johan Georg Frederik Ræder died in 1909.
Johan Rudolph Thorbecke died on 1872-06-04.
Otto Hooff died in 1960.
Willem Frederik Hermans died on April 27, 1995 at the age of 73.
Frederik Kaiser died in 1872.
Frederik Liebmann died in 1856.