Which preposition to use with brendon

in Occurrences 1%

"But I should think you would feel ashamed to side with Agnes Brendon in persecuting a poor little stranger," said honest Tilly, a day or two after the tennis affair; for Agnes had at once set to work to carry out her plan of showing that she was not to be forced, as she expressed it, into making acquaintances she didn't like, and had thus lost no opportunity of being disagreeable.

Which preposition to use with  brendon