No details are known of the ceremony, but on 19 July 1694, the Dauphin referred to her as his legal spouse in a letter to his father's morganatic wife, Madame de Maintenon.
Inga detaljer om ceremonin är kända, men den 19 juli 1694 omtalar tronföljaren henne som sin hustru i ett brev till sin fars morganatiska hustru madame de Maintenon.