Pierre Joseph Marie Granville, known as Jonathas Granville (1785–1839) was a Haitian educator, legal expert, soldier and a diplomat. He was born a free mulatto in Saint-Domingue. He was a musician and poet, skilled swordsman, an experienced diplomat, and civil servant. From about 1806 to 1815, Granville served under Napoleon as a junior officer during the emperor's campaigns in Germany, France, and Austria. After the Bourbon Restoration, he returned to Haiti with his mother and sisters where he quickly entered in the service of Alexandre Pétion's government. In 1824 he visited the United States, to promote the emigration of free Blacks to Haiti. At his return, in 1825, he established a private school, which will become known as the Granville Institute, before being asked to lead the Nation