Complex sentence: He was assistant in 1828-1830 and rector in 1830-1832 of Christ church, Boston, and was bishop of New Jersey from October 1832 to his death at Burlington, New Jersey.
Split into simpler sentences: He was assistant in 1828-1830 and rector in 1830-1832 of Christ church, Boston. Doane was bishop of New Jersey from October 1832 to his death at Burlington, New Jersey.