EPHAH.—1. A son of Midian, descended from Abraham and Keturah (Gen_25:4 = 1Ch_1:33), the eponymous ancestor of an Arabian tribe whose identity is uncertain. This tribe appears in Isa_60:6 as engaged in the transport of gold and frankincense from Sheba. 2. A concubine of Caleb (1Ch_2:46). 3. A Judahite (1Ch_2:47).