Maria Theresa was the daughter of Emperor Charles VI.
Antoine-Gabriel-Francois Benoist -LRB- October 6 , 1715 -- January 23 , 1776 -RRB- was a soldier in the French army who served in important campaigns in North America .. Antoine-Gabriel-Francois Benoist came to serve in Canada in 1735 .. He was with Jean-Baptiste Le Moyne de Bienville in an action against the Chickasaws in 1739 .. Jean-Baptiste Le Moyne de Bienville. Jean-Baptiste Le Moyne de Bienville. Chickasaws. Chickasaws. He held an important post as adjutant with Francois-Pierre de Rigaud de Vaudreuil in 1747 .. adjutant. adjutant. Francois-Pierre de Rigaud de Vaudreuil. Pierre Francois de Rigaud, Marquis de Vaudreuil-Cavagnal. He also served for a period at Fort Saint Frederic and as adjutant in Montreal .. adjutant. adjutant. Fort Saint Frederic. Fort Saint Frederic. He undertook recruitment for Canada in France after his promotion to lieutenant .