Complex sentence: The Sappony disappeared from the historical record by the end of the 18th century, but contemporary American Indian groups claiming descent from the historical Sappony are found in North Carolina, Ohio, and several other states.
Split into simpler sentences: The Sappony disappeared from the historical record by the end of the 18th century. Contemporary American Indian groups whose members claim descent from the historical Sappony are found in North Carolina, Ohio, and several other states.