Genesis 25:1

Abraham took him another wife called Keturah,

Genesis 23:1-2

Sara was a hundred and twenty seven years old, for so long lived she,

Genesis 28:1

Then Isaac called Jacob his son and blessed him, and charged him and said unto him, "See thou take not a wife of the daughters of Canaan,

1 Chronicles 1:32-33

The sons of Keturah, Abraham's concubine: she bare Zimran, Jokshan, Medan, Midian, Ishbok and Shuah. The sons of Jokshan: Sheba and Dedan.

Treasury of Scripture Knowledge

Summary

Then again Abraham took a wife, and her name was Keturah.

Bible References

General references

Genesis 23:1
Sara was a hundred and twenty seven years old, for so long lived she,
Genesis 28:1
Then Isaac called Jacob his son and blessed him, and charged him and said unto him, "See thou take not a wife of the daughters of Canaan,
1 Chronicles 1:32
The sons of Keturah, Abraham's concubine: she bare Zimran, Jokshan, Medan, Midian, Ishbok and Shuah. The sons of Jokshan: Sheba and Dedan.