Brigitte de Polignac was a subjugate of the vampire Marcel Saint Cloud, then the head of the most powerful clan of vampires in Paris. The niece of the Duke de Polignac, once beloved members of one of the great families of France, Brigitte was made a subjugate in the 18th century after her brother, Henri, took her to Saint Cloud. They have since stayed together as servants of the vampire, doing his bidding.