Accused of having poorly defended Mainz during the Siege of Mainz in 1793, and considered an aristocratic "suspect", he was jailed in the Carmes prison and sentenced to death during the Reign of Terror.
Dituduh memiliki buruk membela Mainz selama Pengepungan Mainz pada tahun 1793, dan dianggap sebagai aristokrat "tersangka", ia dipenjarakan di penjara Carmes dan dijatuhi hukuman mati selama Pemerintahan Teror .