Jean Baptiste Charbonneau

Jean Baptiste Charbonneau (February 11, 1805 – May 16, 1866), sometimes known in childhood as Pompey or Little Pomp, was an American explorer, guide, fur trapper, trader, military scout during the Mexican–American War, alcalde (mayor) of Mission San Luis Rey de Francia and a gold digger and hotel operator in Northern California. His mother was Sacagawea, a Lemhi Shoshone who worked as a guide and interpreter for the Lewis and Clark Expedition.

Source: Wikipedia — Jean Baptiste Charbonneau (CC BY-SA 4.0)