 He was elected lieutenant colonel commanding the Lombards battalion in September 1792.He served as commanding officer, leader of popular society, military governor, and lieutenant colonel.He was guillotined the 10 Thermidor Year II (28 July 1794) in the wake of Thermidorian Reaction, as a Hanriot assistant and a Robespierrist,

Jean-Baptiste de Lavalette was born in Paris the 27 October 1753 from Joseph François de Thomas de la Valette (1729-1765) and Marie d'Alencé.