Luxembourg was separated from Belgium by the Treaty of London in 1839, and Dams re-entered political life in the Grand Duchy. He was a member of the Assembly of the States, representing Remich from 1842 to 1845.Noesen (1949), p. 576 He was elected to the Constituent Assembly, which drafted Luxembourg's new constitution in 1848. From 1848 to 1853, Dams was a member of the Chamber of Deputies.Nicolas Als, Robert L. Philippart: La Chambre des Députés, Histoire et Lieux de Travail, Chambre des Députés du Grand-Duché de Luxembourg, 1994, S. 512-513
