Armand Duplantier

Armand Gabriel Allard du Plantier (1753 - 9 Oct 1827) was a French cavalry officer who served in the American Revolutionary War as an aide-de-camp to General Lafayette.

Armand was born in Voiron, France, the son of Joseph Antoine Guy Allard du Plantier (1721–1801) and Gabrielle Trenonay de Chanfrey.

In 1781, he moved to Louisiana (New Spain), settling on the plantation of his uncle, Claude Trénonay, in the area of Pointe Coupée on the Mississippi River. He married his uncle's stepdaughter, Marie Augustine Gerard; the couple had six children, four of whom survived to adulthood. Marie Augustine died of yellow fever in 1799. In 1802 Duplantier remarried, to widow Constance Rochon Joyce, and the couple resided part of the time in their country house at Mount Magnolia plantation (which property today is within the city of Baton Rouge and owned by that city). Five more children were born of this union.

Duplantier was disturbed by the slave revolt which occurred locally in 1794 or 1795. It was called the Pointe Coupée Conspiracy and reminded him of the Haitian Revolution (1791-1804). He was a slave-owner and regretted that he had bought some Saint-Domingue slaves, but he did not want to sell them until they regained their value.

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