Which preposition to use with unfaithfulness

to Occurrences 13%

Accordingly the king could rely on the help of the bulk of the free people in all struggles with his feudatories, and the people, finding that their connection with their lords would be no excuse for unfaithfulness to the king, had a further inducement to adhere to the more permanent institutions.

of Occurrences 11%

Lord Holland lamented the unfaithfulness of the noble baron (Hawkesbury) to his own principles, and the inflexible opposition of the noble earl (Westmoreland), from both which circumstances he despaired for ever of any assistance from them to this glorious cause.

in Occurrences 1%

He deems the severe observance of this rule to be essential to the public service, as every dollar lost to the Treasury by unfaithfulness in office creates a necessity for a new charge upon the people.

on Occurrences 1%

The wisest men in all times have bewailed the great amount of human misery which we see with our eyes before we pass into eternitydiseases, death, want, our own errors, by which we bring harm and punishment on ourselves, hostile men, unfaithfulness on the part of those with whom we are closely connected, banishment, abuse, desertion, miserable children, public and domestic strife, wars, murder, and devastation.

toward Occurrences 1%

How often do we hear those who every day have to reproach themselves with unfaithfulness toward God complain that He refuses to answer their prayers!

Which preposition to use with  unfaithfulness