Which baroque artist from a protestant country did not produce work for the catholic church?

The answer is Rembrandt Van Rijn. Rembrandt was born in the Netherlands and was raised in the reformed church, he was a Protestant. The other artists, Michelangelo and Peter Paul Rubens were both Catholic, from Catholic countries and produced numerous artworks for the Catholic church, for example the painting of the Sistine Chapel by Michelangelo.