Complex sentence: As a young man he married by about 1626, and had two sons baptized at St. Botolph's Church in Boston, Lincolnshire, but both died in infancy and were buried at the same church.
Split into simpler sentences: As a young man he married by about 1626, and had two sons baptized at St. Botolph's Church in Boston, Lincolnshire. Both died in infancy and were buried at the same church.