Lieutenant assesseur of the Présidial of Nérac (1738). Member of the Academy of Sciences of Bordeaux and, later, of Paris (1775). Claimed to have invited the lightning kite before Franklin. Published several scientific papers and a Mémoire, sur le moyens de se garantir de la foudre dans les maisons; … (Bordeaux, 1776).
Husband of Madame Moursan de Romas, who later wrote to Franklin about another of Romas’s inventions, a rudder (1778).