Which preposition to use with cais

to Occurrences 4%

"Do you intend to sell that horse?" said King Cais to him, "for in that case you have the most eager buyer of all the Arabian tribesmen."

at Occurrences 1%

Cais at the head of the Absians, pushing his way into the dwellings, carried off the wives and daughters of his foe.

with Occurrences 1%

" Haml continued to abuse his brother, and to flatter Cais with expressions of admiration all the way, until in the evening they arrived at the tribe of Fazarah.

Which preposition to use with  cais