1. A son of Midian
And the sons of Midian; Ephah, and Epher, and Hanoch, and Abida, and Eldaah. All these were the children of Keturah. (Genesis 25:4)
And the sons of Midian; Ephah, and Epher, and Henoch, and Abida, and Eldaah. All these are the sons of Keturah. (1 Chronicles 1:33)
The multitude of camels shall cover thee, the dromedaries of Midian and Ephah; all they from Sheba shall come: they shall bring gold and incense; and they shall show forth the praises of the Lord. (Isaiah 60:6)
2. Caleb's concubine
And Ephah, Caleb's concubine, bare Haran, and Moza, and Gazez: and Haran begat Gazez. (1 Chronicles 2:46)
3. Son of Jahdai
And the sons of Jahdai; Regem, and Jotham, and Geshan, and Pelet, and Ephah, and Shaaph. (1 Chronicles 2:47)
4. A measure of about three pecks
See MEASURE, DRY