[2] His sister, Françoise de Contades, married Count Armand-Charles d'Anthenaise.
He was entrusted with despatches for Emperor Napoleon I, then on campaign in the War of the Fifth Coalition, passing them to him in his tent, after the Battle of Wagram.
For his work, he was given stewardship of Lower Illyria and Croatia, a substantial and difficult post considering his relative age and the unrest of the local population.
Arrested and taken to Fusine, then to Agram, Contades was attended to by the family of Count Athem, who restored him to health.
[1] As a reward for his services, he was appointed prefect of Puy-de-Dôme at Clermont, but was laid off by Restoration.