Contains
- mikado
The emperor of Japan; when regarded as a religious leader the emperor is called tenno.
- empress
A woman emperor or the wife of an emperor.
- Holy Roman Emperor
Sovereign of the Holy Roman Empire.
- Kaiser
The title of the Holy Roman Emperors or the emperors of Austria or of Germany until 1918.
- Roman Emperor
Sovereign of the Roman Empire.
- Romanov
A member of the imperial family that ruled Russia.