The captains asked that he bring one wife as an interpreter when they encounter the Shoshone tribe, he chose to bring his pregnant wife Sacagawea who was sixteen years old. Once the winter snow began to melt Sacagawea had her child Jean Baptiste, and they continued again up the Missouri River. Sacagawea was a very vital asset to the Corp of Discovery in this expedition as she saved them from many violent encounters with native tribes; she was also a guide for them as they traveled. Sacagawea also gave the members of the Corp much insight of Native American cultures that they may not have learn...
During the winter, a French-Canadian trader named Toussaint Charbonneau and his wife Sacagawea, a Shoshone Indian, became members of the expedition. Sacagawea became very helpful on the expedition as an interpreter. ... Fortunately, during mid-August, they met a group of Shoshone Indians whose Chief was Sacagawea's brother. ...