Complex sentence: Isaac Morley (1786-1865) was an early convert to the Church of Jesus Christ of Latter-day Saints, and a contemporary of both Joseph Smith and Brigham Young.
Split into simpler sentences: Isaac Morley (1786-1865) was an early member of the Latter Day Saint movement and one of the first converts to the Church of Jesus Christ of Latter-day Saints. He was a contemporary of both Joseph Smith and Brigham Young.