Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Zerah
Usage: A man living at the time of the Patriarchs, first mentioned at Gen.36.13; son of: Reuel (H7467); brother of: Nahath (H5184), Shammah (H8048) and Mizzah (H4199) § Zerah or Zarah = "rising" 1) a son of Reuel and grandson of Esau, one of the dukes of the Edomites 2) twin brother of Pharez, sons of Judah and Tamar; descendants are called Zarhites, Ezrahites, and Izrahites 3) son of Simeon;
also called 'Zohar' 4) a Gershonite Levite, son of Iddo of Adaiah 5) the Ethiopian or Cushite, invader of Judah in the reign of Asa who defeated the invaders; probably the same as the Egyptian king Usarken I, second king of the Egyptian 22nd dynasty or perhaps more probably Usarken II, his 2nd successor 6) another Edomite leader; possibly same as 1