[1] One of his brothers was Charles Augustin Levassor de La Touche Tréville (1712–1788), who became a lieutenant general of naval armies.
This was a large expedition that tried without success to retake Port Royal and Acadia in response to the capture of Louisbourg by the British in 1745.
[2] On 2 May 1752 he married Marie-Louise-Celeste (born 11 May 1730), daughter of Jean-Louis de Rochechouart, a naval officer and knight of Saint Louis.
[2] In 1760 La Touche was appointed governor of Martinique in place of the unpopular François V de Beauharnais, and as a member of the island's Creole[a] elite helped boost morale.
[5] He let the French planters sell their sugar at good prices in Britain, and over the next three years British ships delivered more than 17,500 slaves to Guadeloupe.
When a large British force landed in January 1762 most of the militia units deserted and the local leaders in the south asked for peace on the same terms as Guadeloupe, ignoring La Touche's call for prolonged resistance.
[6] On 13 February 1762 La Touche signed articles of capitulation to the British forces led by Admiral Rodney and General Robert Monckton.
La Touche was told to politely inform Lord Shelburne that the magazines and other restricted depots were always closed to the public.
"[7] The large transport Hippopotame was sold by the French navy at a low price to a group of merchant from Rochefort in May 1777.
La Touche made the Rochefort dry dock available for this purpose and work began by the end of July.
[10] The French naval minister Antoine de Sartine discovered that the true purpose was to carry volunteers, munitions and an engineer to America.
He wrote back that he had heard the previous Sunday that the purpose was to take a member of Congress to America with a number of cannon, but he knew nothing about the engineer.