There is no Federick County in Idaho.
Mangkunegara IX was born in 1951.
William IX was born on October 22, 1071.
Pope Boniface IX was born in 1356.
Pope Benedict IX was born in 1012.
Constantine IX Monomachos was born in 1000.
Michael IX Palaiologos was born in 1278.
Henry IX of Lubin was born in 1369.
George IX of Imereti was born in 1712.
Ptolemy IX Lathyros was born in -143.
Pope Stephen IX was born in 1020.
Ichikawa Danjūrō IX was born in 1837.