Jean-Baptiste Thorn was a Luxembourg

Luxembourg

Luxembourg , officially the Grand Duchy of Luxembourg , is a landlocked country in western Europe, bordered by Belgium, France, and Germany. It has two principal regions: the Oesling in the North as part of the Ardennes massif, and the Gutland in the south...

-born jurist and politician that held office in both Luxembourg and Belgium

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

 during and immediately after the Belgian Revolution

Belgian Revolution

The Belgian Revolution was the conflict which led to the secession of the Southern provinces from the United Kingdom of the Netherlands and established an independent Kingdom of Belgium....

.

He was a member of the National Congress of Belgium

National Congress of Belgium

The Belgian National Congress was a temporary legislative assembly in 1830, established shortly after the Provisional Government of Belgium had proclaimed Belgian independence on October 4 of that year...

 (1830–1831), the revolutionary body responsible for drafting the new Belgian constitution

Constitution of Belgium

The Constitution of Belgium dates back to 1831. Since then Belgium has been a parliamentary monarchy that applies the principles of ministerial responsibility for the government policy and the Trias Politica. The Constitution established Belgium as a centralised unitary state...

, and served as governor of the Belgian provinces

Provinces of Belgium

Belgium is divided into three regions, two of them are subdivided into five provinces each.The division into provinces is fixed by Article 5 of the Belgian Constitution...

 of Luxembourg

Luxembourg (Belgium)

Luxembourg is the southernmost province of Wallonia and of Belgium. It borders on the Grand Duchy of Luxembourg, France, and the Belgian provinces of Namur and Liège. Its capital is Arlon, in the south-east of the province.It has an area of 4,443 km², making it the largest Belgian province...

 (1830–1836) and Hainaut (1836–1841).

After the Revolution, Thorn returned to the (partitioned) Grand Duchy of Luxembourg, where he became a councillor on the communal council

Luxembourg communal council

Luxembourg communal council is the local council for the commune of Luxembourg City, in southern Luxembourg.It consists of twenty-seven members, elected every six years by proportional representation. The last elections were held on 9 October 2005, and resulted in a victory for the Democratic Party...

 of Luxembourg City.