His taste was both contemporary, and broad in style and across nationalities. He collected Caravaggist paintings, landscapes, and genre paintings. Painters in his collections included(alphabetical): Leonard Bramer, Giacinto Brandi, Giacomo Borgognone, Jan van Boeckhorst, Gerard van der Bos, Jan Brueghel the Elder, Paul Brill, Caracciolo, Castiglione, Viviano Codazzi, Jacques Duyvelant, Aniello Falcone, Giordano, Guercino, David de Haen, Pieter van Laer, Jan Miel, Cornelius van Poelenburgh, Cornelis Schut, Goffredo Wals, Bartolommeo Passante, Mattia Preti, Ribera, Rubens, Sacchi, Saraceni, Massimo Stanzione, Van Dyck, Simon Vouet, and Pieter de Witte.