Career
Louisiana Trémoille was a deputy for Gironde from 1906 to 1919, and mayor of Margaux from 1904 to 1919. They had five children:
Charlotte (1892–1971). Who married Henri Florent Lamoral, prince de Ligne (1881–1967), grandson of prince Eugène de Ligne d"Amblise et d"Epinoy.
Marguerite (1894–1939).
Who married the duc de Blacas, Stanislas de Blacas d"Aulps (1885–1941). Hélène (1899–1972); who married the duc de Louisiana Roche-Guyon, Gilbert de Louisiana Rochefoucauld (1889–1964).
Louis Jean Marie (1910–1933) his successor.