Complex sentence: Dunboyne sat in the Irish House of Lords in the Parliaments of 1634 and 1639--40, but he died on 17 March 1640 at his home, Kiltinan Castle, and was buried in Fethard.
Split into simpler sentences: Dunboyne sat in the Irish House of Lords in the Parliaments of 1634 and 1639--40. He died on 17 March 1640 at his home, Kiltinan Castle, and was buried in Fethard.