Friedrich III., Sachsen-Gotha, Herzog
Friedrich, Gotha-Altenburg, Erbprinz
Friedrich, Sachsen-Gotha, Erbprinz
Friederich, Sachsen-Gotha, Herzog
Friedrich, Sachsen, Herzog
Fridericus III., Saxonia, Dux
Fridericus, Saxonia, Dux
Fridericus, Saxonia, Princeps
Friederich, Sachsen-Jülich-Cleve-Berg, Herzog
Friedrich, Sachsen-Jülich-Cleve-Berg, Herzog
Friderich, Sachsen, Herzog
Fridericus III., Gothano-Saxonum, Dux
Fridericus III., Saxonum-Gothanum-Altenburgensis, Dux
Fridericus III., Saxonum-Gothanum, Dux
Fridericus, Saxonia-Iulia-Clivia-Mons, Dux
Freiderich, Sachsen, Hertzog