)The elderly couple honestly think that the boy has been sent to live with them because Paris is dangerous; it never crosses their mind that Claude is a Jew.Claude is given a new last name (Longuet), is taught a few things about Catholic ritual, such as the Lord's Prayer, and most important, is told to never let anyone see his circumcised penis (in France, generally only Jews and Muslims are circumcised); thus Claude's strange prudishness at bath time.