books.google.co.za - The Order of St John of the Hospital of Jerusalem (or the Hospitallers as they are better known) has existed for almost a thousand years. It was established in Jerusalem in the mid-11th century to care for Christian pilgrims and its role initially was entirely non-combatant. But, as the wars of the crusades...http://books.google.co.za/books/about/Knights_of_Jerusalem.html?id=homJ22nhCBMC&q=Foulques+de+Villaret&utm_source=gb-gplus-shareKnights of Jerusalem