Complex sentence: At about thirteen years of age, Sacagawea was taken as a wife by Toussaint Charbonneau, a Quebecer trapper living in the village, who had also taken another young Shoshone named Otter Woman as a wife.
Split into simpler sentences: At about thirteen years of age, Sacagawea was taken as a wife by Toussaint Charbonneau, a Quebecer trapper living in the village. He had also taken another young Shoshone named Otter Woman as a wife.