Geneviève d'Ossun Antoinette had been sentenced guilty, and neglect to report them. She was called before the court on 25 July and judged guilty as charged and sentenced to execution by guillotine the following day in accordance with the Law of 22 Prairial. According to a co-prisoner who was not sentenced to death, she behaved with courage during her trial. The protocol stated: "Age 44, born and resident of Paris, the widow d'Osson, a former noblewoman and Marechale, previously the lady-in-waiting of the widow Capet, was sentenced to death on the 8 Thermidor the Year II in Paris by the Revolutionary Court
Hugh Capet of Reims compelled to surrender; to keep up appearances, Arnulf and Charles denounced each other, until Arnulf swore fealty to Charles. Great was the predicament of Hugh, and he began doubting whether he could win the contest by force. Adalberon, bishop of Laon, whom Charles expelled when he took the city, had sought the protection of Hugh Capet. The bishop made overtures to Arnulf and Charles, to mediate a peace between them and Hugh Capet. Adalberon was received by Charles favorably, but was made to swear oaths that would bring curses upon himself if broken. Adalberon swore to them all,