Company formed 1900 by Jules Gastambide and named after his daughter. Designer Léon Levasseur created excellent water-cooled V-8 engine, used 1903 in graceful monoplane which failed to fly. Subsequently Gastambide-Mengin flew briefly February 1908, Antoinette II in August 1908, Antoinette III in September and Antoinette IV November. Antoinette IV a graceful classic design, followed by V, VI and VII, but company in liquidation 30 November 1911.