Complex sentence: It was captured by the United Netherlands in 1588, then the Portuguese again, again the Dutch--who named it after the Dutch island of Goeree, and the British took it over under Robert Holmes in 1664.
Split into simpler sentences: It was captured by the United Netherlands in 1588, then the Portuguese again, and again the Dutch. They named it after the Dutch island of Goeree, before the British took it over under Robert Holmes in 1664.