He is the most loyal of the three Greasers.
He said you were the most loyal of his servants.
However, he was not the most loyal of party members.
He's a more loyal partisan of Time than you are.
Loyal to the power they served, hiding nothing of their nature, true to their manifest cause.
But Bobby has been the most loyal of all of them.
Women have been the most loyal of the Democratic voters.
I am the most loyal of all your subjects.
Loyal but a bit of a showoff and money lover.
Since that time she has become the most loyal of friends, almost a sister.