 by endowing a chair in history (1720), and brought Johann Georg von Eckhart to Würzburg as court librarian.However, his at times erratic style of governing and his gruff personal manners antagonized some of his people, including the cathedral chapter.When he had a heart attack in 1724, dying at Löffelstelzen near Bad Mergentheim on 18 August 1724, some in his family assumed he had been poisoned.