the second daughter of prince William of Orange and his third spouse Charlotte of Bourbon. She was Duchess of Bouillon by marriage. Henri de La Tour d'Auvergne, of the Duchy of Bouillon and the Principality of Sedan, sent her a proposal of marriage that she accepted. The couple had nine children. Henri tried to keep his Duchy Sedan Protestant, but had to deal with hostility emanating from his catholic French neighbors. During his absences Louise acted as regent, and after his death in 1623 she became regent for their son Frédéric Maurice de la Marck.
