 Complete the following phrase:  Made colonel then major-general, he fought in the subsequent German campaign at the battles of Lützen, Dresden, Kulm and Leipzig. In September that year he was sent on a mission to convince Napoleons former Marshal, and Swedish Crown Prince Jean Baptiste Bernadotte, later King Charles XIV John of Sweden, to move his Army of the North across the Elbe to engage Napoleons forces. At the start of 1814 he crossed the Rhine with the Russian army, setting foot in France for the first time in 10 years. He came into contact with the future Louis XVIII and Charles X and participated in the creation of a royalist party. His brother Louis, with whom he had shared many hardships, was killed at Brienne and so he became head of the House of Rochechouart. Louis-Victor-Léon fought in the Six Days Campaign and the battles of Arcis-sur-Aube, La Fère-Champenoise and 