Complex sentence: The city was founded in 1877 and was named after David W. Patten, who was killed in Missouri while an apostle of The Church of Jesus Christ of Latter-day Saints.
Split into simpler sentences: The city was founded in 1877 and was named after David W. Patten, who was killed in Missouri. He was one of the Apostles of The Church of Jesus Christ of Latter-day Saints.