Did Sacagawea marry Lewis or Clark?
No she did not, at the time she joined the Lewis and Clark expedition she was already married to French trapper Toussaint Charbonneau. After the expedition, William Clark offered Toussaint and Sacajawea a place in St. Louis and a proper education for her son Jean-Baptiste (at a time where there was no opportunity for Native Americans to receive an education). After her death, Toussaint signed over complete custody of his son Jean-Baptiste and his daughter Lisette over to William Clark.