Namesakes
Austrian Dukes and Emperors:
1 archduke
Archduke Leopold IV (a.k.a. Felician) 1657-1705 
Bohemian Kings:
1 king
King Leopold I (a.k.a. Felician) 1656-1705
German Kings and Holy Roman Emperors:
1 king-emperor
King-Emperor Leopold I (a.k.a. Felician) 1658-1705
Hungarian Kings and Queens:
1 king
King Lipót I (a.k.a. Felician) 1655-1705
Saints:
3 saints
Saint Felician 160-254
Saint Felician ?-170
Saint Felician ?-297