A. M. 2108. B.C. 1896. Abraham
1 Chronicles 1:32
The sons of Keturah, Abraham's concubine, [whom] she bore, [were] Zimran, Jokshan, Medan, Midian, Ishbak and Shuah. And the sons of Jokshan [were] Sheba and Dedan.
Abraham was the father of Isaac, Isaac the father of Jacob, and Jacob the father of Judah and his brothers.
the son of Jacob, the son of Isaac, the son of Abraham, the son of Terah, the son of Nahor,
"And He gave him the covenant of circumcision; and so [Abraham] became the father of Isaac, and circumcised him on the eighth day; and Isaac [became the father of] Jacob, and Jacob [of] the twelve patriarchs.