St. Maxent, whose fortune was tied to France, was to have his loyalties severely tested in the transition from French to Spanish control. St. Maxent was one of the first Frenchmen to pledge his allegiance to the new Spanish
governor,
Antonio de Ulloa, and Ulloa was named godfather of one of St. Maxent's daughters. St. Maxent entered into contracts to supply Spanish
frigates. When the
Creole and German settlers around New Orleans resisted Spanish rule in the
Rebellion of 1768, they imprisoned St. Maxent at his plantation from October 25 to 29, 1768, releasing him after Ulloa was forced out of the city to return to Spain. In January 1769, St. Maxent thwarted the plotters' efforts to enlist Native Americans in the planned resistance to any
Spanish attempt to reclaim New Orleans. In May 1769, the partnership with Laclede was dissolved, with Laclede buying the St. Louis facilities for 80,000 livres and the first payment due in June 1771. In August 1769,
Alejandro O'Reilly restored Spanish authority in New Orleans, putting down the rebellion and executing five ringleaders while imprisoning five others. O'Relly abolished the Superior Council, which had governed Louisiana during the French period, replacing it with the Spanish
cabildo and replacing the French laws with the Spanish
code. O'Reilly gave St. Maxent a new patent for the fur business, for the firm St. Maxent and Ranson. This firm, which rivaled Laclède's, was to contribute to Laclède's declining fortunes in St. Louis. St. Maxent's first daughter, Marie-Elizabeth de St. Maxent, married the next Spanish governor
Luis de Unzaga, in 1775. His second daughter Marie-Félicité de St. Maxent d'Estrehan, a wealthy widow, married Unzaga's successor,
Bernardo de Gálvez. Galvez was to succeed his father later as Viceroy of New Spain. During this period it is believed that St. Maxent was the richest man in the entire territory. He built a series of lavish homes. In the
Great New Orleans Fire of 1788 which destroyed most of
the city's buildings, St. Maxent was officially commended by the Spanish for opening his home to many
refugees and for selling supplies to the Spanish at the same price as before the fire. ==American Revolution==