He was the founder of the Rochefort line of the Rohans which still continue to live today .
Charles de Rohan ( 7 August 1693 -- 25 February 1766 ) was a Prince of the House of Rohan .
Charles de Rohan was the Prince of the Rochefort line of the House of Rohan which still continue to live today .
Charles de Rohan ( 7 August 1693 -- 25 February 1766 ) was a Prince of the House of Rohan .