Jean-Baptiste Massieu (born the September 17th 1743 with Pontoise - died the June 6th 1818 with Brussels (Belgium) was a French monk of the end of the 18th century, which carried on a political activity for the period of the Révolution.

Of origin Norman, Jean-Baptiste Massieu was of abortd professor to Nancy then with Vernon. He is named cleaned of Cergy, in current the department of the the Valley-of-Marne in 1782. In 1789, it was elected appointed clergy of Senlis (Oise) to the General states.

the February 21st 1791, it was elected with Beauvais, constitutional bishop of the department of Oise by 193 votes out of 331.

Burning democrat, he was an influential member of the Société of the friends of the Constitution of Beauvais.

When the Convention sends it as representing on mission near the armed with the East, it become acquainted there with Marie Odile Briquelet, girl of the mayor of Givet, (the Ardennes). He abdicates his sacerdotal functions to marry it in 1793.

After Thermidor, it is stopped the April 9th 1795 at the same time as Fouché. Released by the law of amnesty of the 4 brumaire year IV (October 26th 1795), it obtains not without sorrow a post of professor at the teacher training school of Seine-et-Oise, then is named later, on proposal of Carnot archivist at the offices of the war. It preserved this function under the Empire and gathered invaluable collections.

Proscribed in 1815 like regicide, it is exiled with Brussels (Belgium) and there dies in misery the June 6th 1818.

See too

constitutional Bishop