Louis Charles Marie de La Trémoille, 10th Duke of Thouars, 10th Duke of Thouars, 16th Count of Laval was a French nobleman and the son of Louis Charles de La Trémoille and his wife Marguerite Églé Jeanne Caroline Duchâtel La Trémoille was a deputy for Gironde from 1906 to 1919, and mayor of Margaux from 1904 to 1919. Wikipedia