Complex sentence: In the spring or summer of 1637 the couple emigrated to New England, where Harvard became a freeman of Massachusetts on November 2, and settled in Charlestown as a teaching elder of the First Church of Charlestown, and assistant preacher.
Split into simpler sentences: In the spring or summer of 1637 the couple emigrated to New England, where Harvard became a freeman of Massachusetts on November 2. Settling in Charlestown, Harvard became a teaching elder of the First Church of Charlestown and an assistant preacher.