Genesis 25:5-6And Abraham gave all that he had unto Isaac. But unto the sons of the concubines, which Abraham had, Abraham gave gifts, and sent them away from Isaac his son, while he yet lived, eastward, unto the east country.
1 Chronicles 2:46And Ephah, Caleb's concubine, bare Haran, and Moza, and Gazez: and Haran begat Gazez.