One of Odette's siblings was Henry de Champdivers, who married Joan of Toulongeon, widow of Tristan de Montholon—commander of the cavalry of the Dukes of Brabant and Burgundy on 25 October 1415 at the Battle of Agincourt, where he was killed— and sister of two marshals of Burgundy and an equerry of a French one Grand Squire of France. It is also known that Henry was knighted and in 1394 followed Duke Philip II the Bold during his trip to Brittany.