Sacagawea Sacagawea (right) with Lewis and Clark at the Three Forks, mural at Montana House of Representatives Born May 1788 Lemhi River Valley, near present-day Salmon, Idaho Died December 20, 1812 (aged 24) or April 9, 1884 (aged 95) Kenel, South Dakota or Wyoming Nationality Lemhi Shoshone Other names Sakakawea, Sacajawea Known for Accompanied the Lewis and Clark Expedition Spouse(s) Toussaint Charbonneau Children Jean Baptiste Charbonneau Lisette Charbonneau