Prince Jean Charles Lamoral de La Trémoïlle of Ligne-La Trémoïlle, 14th Duke of Thouars, 13th Duke of La Trémoïlle, 16th Prince de Tarente, 20th Prince de Talmond and 20th Count of Laval, was a Franco-Belgian nobleman and the only child of the French Princess Charlotte de La Trémoille and her Belgian husband, Prince Henri-Florent Lamoral of Ligne. Wikipedia