16:15And Hagar bare Abram a son: and Abram called his son's name, which Hagar bare, Ishmael.

21:2For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.

21:3And Abraham called the name of his son that was born unto him, whom Sarah bare to him, Isaac.

25:1Then again Abraham took a wife, and her name was Keturah.

25:2And she bare him Zimran, and Jokshan, and Medan, and Midian, and Ishbak, and Shuah.

25:3And Jokshan begat Sheba, and Dedan. And the sons of Dedan were Asshurim, and Letushim, and Leummim.

25:4And the sons of Midian; Ephah, and Epher, and Hanoch, and Abida, and Eldaah. All these were the children of Keturah.