|Died||23 March 1841 (aged 58)|
He was a member of the National Congress of Belgium (1830–1831), the revolutionary body responsible for drafting the new Belgian constitution, and served as governor of the Belgian provinces of Luxembourg (1830–1836) and Hainaut (1836–1841).
- Mersch, Jules (1969). "Le Gouverneur J.-B. Thorn". In Mersch, Jules (ed.). Biographie nationale du pays de Luxembourg (in French). Luxembourg City: Victor Buck. Retrieved 26 August 2007.
Belgium declared independence
| Governor of Luxembourg
Victorin de Steenhault
|| Governor of Hainaut
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