Complex sentence: Keowee was the birthplace of the father of John Norton around 1770, a chief of the Mohawk nation, of half Cherokee and half Scottish ancestry, whose writings provide a rare Indian perspective on the early 19th century in the United States.
Split into simpler sentences: Keowee was the birthplace of the father of John Norton around 1770. His writings provide a rare American Indian perspective on the early 19th century in the United States.