Youngest son of Aaron: he was anointed with Nadab, Abihu, and Eleazar to minister in the priest's office. Under the superintendence of Ithamar were placed the Gershonites and Merarites who carried portions of the tabernacle. The high-priesthood came into the family of Ithamar in the person of Eli, and it reverted to the descendants of Eleazar in Zadok on the deposition of Abiathar by Solomon. Exodus 6:23; Exodus 28:1; Exodus 38:21; Leviticus 10:6,12,16; Numbers 3:2-4; Numbers 4:28,33; Numbers 7:8; Numbers 26:60; 1 Chronicles 6:3; 1 Chronicles 24:1-6 . Daniel, a descendant of Ithamar, returned from exile. Ezra 8:2 .