On 26 February 1790 Coulomb's first son was born, although he was not married to Louise Françoise LeProust Desormeaux who was the mother of his son.
Sa 26 Pebrero 1790 Coulomb ng unang anak na lalaki ay ipinanganak, kahit na siya ay hindi kasal sa Louise Françoise LeProust Desormeaux na ang ina ng kanyang anak na lalaki.