Which preposition to use with emperess

of Occurrences 1%

" The terrour created to the moon by the anger of the bear, is a strange expression, but may, perhaps, relate to the apprehensions raised in the Turkish empire, of which a crescent, or new moon, is the imperial standard, by the increasing power of the emperess of Russia, whose dominions lie under the northern constellation, called the Bear.

Which preposition to use with  emperess