Which preposition to use with gainsaying

at Occurrences 1%

" I learnt that what Harold pronounced good no one dared gainsay at Five-Bob Downs.

in Occurrences 1%

The Duke of Orleans, less moved by such bad reasons than put to it how to resist the suit of a man whom he was no longer wont to dare gainsay in anything, sought to get out of the affair.

of Occurrences 1%

He held out both hands and Madeline let him draw her to her feet, though she was pouting a little at his gainsaying of her wishes.

Which preposition to use with  gainsaying