Carl Herzog von Württemberg was born on 1 August 1936 in Friedrichshafen, Baden-Württemberg, Germany. He was married to Diane Françoise Marie d'Orléans. He died on 7 June 2022 in Ravensburg, Baden-Württemberg, Germany.
The historian Gerhard Raff, who knows the history of the House of Württemberg better than anyone else, described Duke Carl as a stroke of luck for Württemberg: Carl was a likeable and modest person who also managed well and was a great patron.