In August of 1806, William Clark wrote to Toussaint Charbonneau: “Your woman, who accompanied you that long dangerous and fatiguing route to the Pacific Ocean and back, deserved a greater reward for her attention and services on that route than we had in our power to give her.”
Clark invited the whole family to come to St. Louis. He also repeated his offer to keep Pomp with him and see to his education. Sometime later, the whole family did journey to St. Louis, where Clark was then Indian Agent for the Louisiana Territory. In October 1810, Charbonneau bought farmland from Clark near St. Louis. However, in the spring of 1811, he became homesick for the plains and his trading life. He sold the land back to Clark. Then he and Sacagawea sailed back up the Missouri, leaving Jean Baptiste with Clark.