Constantijn Huygens

Sir Constantijn Huygens, Lord of Zuilichem ( HY-gənz, US also HOY-gənz, Dutch: [ˈkɔnstɑntɛin ˈɦœyɣə(n)s]; 4 September 1596 – 28 March 1687), was a Dutch Golden Age poet and composer. He was also secretary to two Princes of Orange: Frederick Henry and William II, and the father of the scientist Christiaan Huygens.