Now the sons of Keturah, Abraham's concubine: she bore Zimran, and Jokshan, and Medan, and Midian, and Ishbak, and Shuah. And the sons of Jokshan: Sheba, and Dedan.

Abraham begot Isaac, and Isaac begot Jacob, and Jacob begot Judah and his brethren.

who was the son of Jacob, who was the son of Isaac, who was the son of Abraham, who was the son of Terah, who was the son of Nahor,

And He gave him the covenant of circumcision. And so Abraham begot Isaac and circumcised him on the eighth day; and Isaac begot Jacob, and Jacob begot the twelve patriarchs.