The concierge who sells out Sarah’s family and then re-lets the flat to Mamé Tézac and family. Madame Royer is anti-Semitic, callous, and self-serving. She offers to help the French police locate Sarah’s brother, and also claims that she knows of other Jewish families living in the neighboring building. Madame Royer is the only civilian character in the novel who demonstrates a hatred of Jews and actively collaborates with the French government.