Four Occurrences of the name “Keturah”
in the Bible

Genesis 25:1-8
 
1 And Abraham took another wife, and her name was Keturah.

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

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

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

5 And Abraham gave all that he had unto Isaac.

6 But unto the sons of his concubines, that Abraham had, Abraham gave gifts; and he sent them away from Isaac his son, while he yet lived, eastward, unto the east country.

7 And these are the days of the years of Abraham’s life which he lived, a hundred three score and fifteen years.

8 And Abraham gave up the ghost, and died in a good old age, an old man, and full of years, and was gathered to his people.
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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.

American Standard Version (ASV) 1901
(Keturah name highlighted for emphasis)