Duchess of Orléans

The Duchess of Orléans (オルレアンの公爵夫人, Orurean no Kōshaku Fujin) is the mother of Charlotte de Gallia and the spouse of the late Charles de Orléans.

Background
The Duchess had once drunk a blue drink injected with poison that turns the person insane that was intended to be given to her daughter, Charlotte. As a result, the Duchess turned insane and has since referred a doll given to Charlotte named Tabitha as her daughter and Charlotte to a traitor trying to split the family apart.