Which preposition to use with egeria

of Occurrences 2%

If Mr. Bell loves the Constitution, Mr. Breckinridge is equally fond; that Egeria of our statesmen could be "happy with either, were t'other dear charmer away."

for Occurrences 1%

the pride of proving herself his Egeria for the nonce, teaching him how to look upon wealth merely as a means for attaining his great ends, for continuing his great work.

to Occurrences 1%

So Philosophy has almost all the say in this matter, until Poetry interjects the fatal question, "I beg your pardon, Madam, but do you happen to be the Almighty, or are you playing Egeria to his Numa?

Which preposition to use with  egeria