For the ancient Israelite priesthood reputedly descended from Aaron, see Kohen. The Aaronic Priesthood is the lesser of the two (or sometimes three) orders of priesthood recognized in Mormonism. The others are the Melchizedek Priesthood and the rarely-recognized Patriarchal Priesthood. Unlike the Melchizedek Priesthood, which is modeled after the authority of Jesus and the Apostles, or the Patriarchal Priesthood, which is modeled after the authority of Abraham, the Aaronic Priesthood is modeled after the priesthood of Aaron and his descendents. The Aaronic Priesthood is thought to be a "branch" or an ...

Including:

• Aaronic Priesthood - History of the Aaronic Priesthood
• Aaronic Priesthood - Aaronic Priesthood as practiced in The Church of Jesus Christ of Latter-day Saints

Read more here: » Aaronic Priesthood: Encyclopedia - Aaronic Priesthood