Who is Sacagawea boyfriend?

Sacagawea's husband was Toussaint Charbonneau, a French-Canadian fur trader. They met in 1804 when the Lewis and Clark Expedition sought a guide through the Shoshone territory. Charbonneau was also a member of the expedition and played a role in assisting with communication and negotiations with Native American tribes. Together, they had two children, including a son named Jean Baptiste.