Which preposition to use with farnese

in Occurrences 2%

We first proceeded to visit the celebrated amphitheatre, called l'Amfiteatro Farnese in honour of the former sovereigns of the Duchy.

at Occurrences 1%

And then with savage delight he announced his discovery that much of the design was merely an unintelligent imitation of the Palazzo Farnese at Florence.

Which preposition to use with  farnese