Cross reference
Genesis 25:1
1 Then again Abraham took a wife, and her name was Keturah.
Genesis 23:1-2
1 And Sarah was an hundred and seven and twenty years old: these were the years of the life of Sarah.
2 And Sarah died in Kirjatharba; 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 Now 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 Henoch, and Abida, and Eldaah. All these are the sons of Keturah.