Complex sentence: Wheaton was the son of Augustus Wheaton, a respectable farmer and drover who purchased land in (Pompey), NY, in 1807 and settled there with his family in 1810.
Split into simpler sentences: Wheaton was the son of Augustus Wheaton, a respectable farmer and drover. The elder Wheaton purchased land in (Pompey), NY in 1807 and settled there with his family in 1810.