Which preposition to use with cabildo

of Occurrences 3%

For none are more perfect gentlemen, or more free from the base modern belief that money makes the man; and I doubt not that a member of the old Cabildo of San Josef in slops was far better company than an average British Philistine in trousers.

with Occurrences 1%

There was the cathedral, and standing beside it, like Sancho beside Don Quixote, the squat hall of the Cabildo with the calabozo in the rear.

Which preposition to use with  cabildo