 Prior to becoming Chief of the Police in Paris he was "Intendant de la généralité" of Rouen from 1767.Son of Louis-Lazare Thiroux Arconville, President of the Chamber of Investigation of the Parliament of Paris and Marie-Geneviève Charlotte Darlus he married 24 January 1763, Anne-Adelaide Angelique de la Michodière (1745-Paris, 6 September 1812), eldest daughter of Jean-Baptiste-François of Michodière, Count d'Hauteville, State Councillor and Anne Luthier St. Martin.Their only son, Jean-Charles-Amédée Thiroux Arconville (circa 1778–1835) married Marie Louise Mayou Aulnoy, daughter of a councilor at the Parliament of Dijon.