According to the Torah

Torah

Torah- A scroll containing the first five books of the BibleThe Torah , is name given by Jews to the first five books of the bible—Genesis , Exodus , Leviticus , Numbers and Deuteronomy Torah- A scroll containing the first five books of the BibleThe Torah , is name given by Jews to the first five...

, Izhar was the father of Korah

Korah

Korah or Kórach Some older English translations, as well as the Douay Bible), spell the name Core, and many Eastern European translations have Korak...

, Nepheg, and Zichri, and was a son of Kohath

Kohath

According to the Torah, Kohath was one of the sons of Levi, and the patriarchal founder of the Kohathites, one of the four main divisions among the Levites in Biblical times; in some apocryphal texts such as the Testament of Levi, and the Book of Jubilees, Levi's wife, Kohath's mother, is named as...

 and grandson of Levi

Levi

Levi/Levy was, according to the Book of Genesis, the third son of Jacob and Leah, and the founder of the Israelite Tribe of Levi ; however Peake's commentary suggests this as postdiction, an eponymous metaphor providing an aetiology of the connectedness of the tribe to others in the Israelite...

, consequently being the brother of Amram

Amram

In the Book of Exodus, Amram Arabic عمران Imran, is the father of Aaron, Moses, and Miriam and the husband of Jochebed.-In the Bible:In addition to being married to Jochebed, Amram is also described in the Bible as having been related to Jochebed prior to the marriage, although the exact...

 and uncle of Aaron

Aaron

In the Hebrew Bible and the Qur'an, Aaron : Ααρών ), who is often called "'Aaron the Priest"' and once Aaron the Levite , was the older brother of Moses, and a prophet of God. He represented the priestly functions of his tribe, becoming the first High Priest of the Israelites...

, Miriam, and Moses

Moses

Moses was, according to the Hebrew Bible and Qur'an, a religious leader, lawgiver and prophet, to whom the authorship of the Torah is traditionally attributed...

. No further details of his life are given by the Bible, and according to some biblical scholars

Biblical criticism

Biblical criticism is the scholarly "study and investigation of Biblical writings that seeks to make discerning judgments about these writings." It asks when and where a particular text originated; how, why, by whom, for whom, and in what circumstances it was produced; what influences were at work...

 the genealogy for Levi's descendants is actually an aetiological myth, reflecting popular perception of the connections between different Levite factions; textual scholars

Textual criticism

Textual criticism is a branch of literary criticism that is concerned with the identification and removal of transcription errors in the texts of manuscripts...

 a similar religiopolitical group and date to the priestly source

Priestly source

The Priestly Source is one of the sources of the Torah/Pentateuch in the bible. Primarily a product of the post-Exilic period when Judah was a province of the Persian empire , P was written to show that even when all seemed lost, God remained present with Israel...

).

Despite twice listing Izhar as being among the sons of Kohath, the Book of Chronicles subsequently goes on state, only a few verses later, that it was the (previously unmentioned) son of Kohath named Amminadab that became the father of Korah. Later in the Book of Chronicles, Amminadab is given as the name of the leader of the Uzzielites, a clan which the biblical genealogy proclaims as being descended from Uzziel

Uzziel

According to the Torah, Uzziel |El]] is my strength or God is my strength) was the father of Mishael, Elzaphan, and Zithri, and was a son of Kohath and grandson of Levi, consequently being the brother of Amram and uncle of Aaron, Miriam, and Moses...

, Izhar's brother.