 Complete the following phrase:  Arnaud Junqua was born in the family of the Empire marshal Jean Lannes, being him the grandson of Jeanne, marshals sister. His grandfather Arnaud Junqua 1762-1834 was the first sous-préfet of Lectoure from 1800 to 1816. He entered service in 1834, being promoted to captain on 19 February 1851. He served in the 1st Carabiniers-à-Cheval Regiment, and then in the Cuirassier Regiment of the Imperial Guard. On 23 May 1855 he became Chevalier of the Légion dhonneur and was promoted to the rank of officer of this legion on 12 April 1864. As Queen Victoria was visiting emperor Napoléon III and the 