Breda is the next town in importance to the capital.
Cooper was one of the twelve commissioners who went to Charles at Breda to invite him to return.
At Breda he enlisted as a volunteer, and the first and only pay which he accepted he kept as a curiosity through life.
At Leiden, Utrecht, Groningen, Franeker, Breda, Nimeguen, Harderwyk, Duisburg and Herborn, and at the Catholic university of Louvain, Cartesianism was warmly expounded and defended in seats of learning, of which many are now left desolate, and by adherents whose writings have for the most part long lost interest for any but the antiquary.
He withdrew (April 1567) first to his residence at Breda, and then to the ancestral seat of his family at Dillenburg in Nassau.