Hyrum Smith was an American religious leader in the Church of Jesus Christ of Latter Day Saints, the original church of the Latter Day Saint movement. He was the older brother of the movement's founder, Joseph Smith, and was killed with his brother at Carthage Jail where they were being held awaiting trial.

Joseph Smith Sr. was the father of Joseph Smith Jr., the founder of the Latter Day Saint movement. Joseph Sr. was also one of the Eight Witnesses of the Book of Mormon, which Mormons believe was translated by Smith Jr. from golden plates. In 1833, Smith Sr. was named the first patriarch of the Church of Christ. Joseph Sr. was also a member of the First Presidency of the church.