Elias Smith Sr. the Son of Asael Smith Jr.who was the brother to Joseph Smith Sr.
Silas S. Smith Jr. the Son of Silas Smith who was the brother to Joseph Smith Sr.
George Albert Smith Sr. the son of John Smith the brother of Joseph Smith Sr. & father of George Albert Smith
Joseph Smith III the son of Joseph Smith Jr. and the Grandson of Joseph Smith Sr.
Joseph F. Smith the son of Hyram Smith and the Grandson of Joseph Smith Sr.
See http://en.wikipedia.org/wiki/Smith_(family)#Jesse_Nathaniel_Smith