Complex sentence: Boswell was born in Boston, Massachusetts the son of Colonel Henry Boswell, Jr. and Catharine Eastburn he studied at the College of William & Mary, where he converted to Roman Catholicism.
Split into simpler sentences: Boswell was born in Boston, Massachusetts the son of Colonel Henry Boswell, Jr. and Catharine Eastburn. He studied at the College of William & Mary, where he converted to Roman Catholicism.