Meanings of marechal de camp in anglès

The Countess, who related the story afterwards, always believed, without being certain, that the mysterious visitor was Julian Romero, marechal de camp.

For France and Liberty I shall win back again Louisiana, and then I shall be a Marechal de Camp.

Hyacinthe Chabert, Count, Marechal de Camp, and Grand Officer of the Legion of Honor, living in Paris, Rue du Petit-Banquier, on the one part;