Dumesle served as president of the Constituent Assembly and later as a Minister during his cousin's rule. After an 1844 coup d'état, both Dumesle and Rivière-Hérard were forced into exile. They settled in Jamaica and remained there for the rest of their lives.
Dumesle held the positions of president of the Constituent Assembly and Minister during his cousin's reign. Following a 1844 coup d'état, both Dumesle and Rivière-Hérard were forced into exile. They eventually settled in Jamaica and lived there until their deaths.