Cross reference
Genesis 25:1
1 And Abraham took another wife, and her name was Keturah.
Genesis 23:1-2
1 And the life of Sarah was a hundred and seven and twenty years. These were the years of the life of Sarah.
2 And Sarah died in Kiriath-arba (the same is Hebron), in the land of Canaan. And Abraham came to mourn for Sarah, and to weep for her.
Genesis 28:1
1 And Isaac called Jacob, and blessed him, and charged him, and said unto him, Thou shalt not take a wife of the daughters of Canaan.
1 Chronicles 1:32-33
32 And the sons of Keturah, Abraham's concubine: she bare Zimran, and Jokshan, and Medan, and Midian, and Ishbak, and Shuah. And the sons of Jokshan: Sheba, and Dedan.
33 And the sons of Midian: Ephah, and Epher, and Hanoch, and Abida, and Eldaah. All these were the sons of Keturah.