Complex sentence: He was the son of Rev. William Van Horne, a Baptist clergyman, who served as Chaplain in the Revolutionary war, and died in 1807, at Pittsburgh, on his journey to Ohio.
Split into simpler sentences: He was the son of Rev. William Van Horne, a Baptist clergyman, who served as Chaplain in the Revolutionary war. The Reverend Van Horn died in 1807, at Pittsburgh, on his journey to Ohio.