Genesis 16:3
And Sarai Abram's wife took Hagar her maid the Egyptian, after Abram had dwelled ten years in the land of Canaan, and gave her to her husband Abram to be his wife.
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Genesis 25:6
But to the sons of the concubines, which Abraham had, Abraham gave gifts, and sent them away from Isaac his son, while he yet lived, eastward, to the east country.
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1 Chronicles 1:32
Now the sons of Keturah, Abraham's concubine: she bore Zimran, and Jokshan, and Medan, and Midian, and Ishbak, and Shuah. And the sons of Jokshan; Sheba, and Dedan.
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On the Government of God
... Abiron, 62. Abraham 's life as proof of God 's judgment, 53 f. ... Commands of God disobeyed
by Christians 82 f. Concubinage, 107 f., 194 f.; laws concerning, 107n. ...
//christianbookshelf.org/salvian/on the government of god/index 2.htm

Mothers, Daughters, and Wives in Israel
... argues in the contrary direction, and concerning a far ... a marriage as merely legalised
concubinage (Cheth. ... two heads"as farther extending the laws of kindred ...
/.../edersheim/sketches of jewish social life/chapter 9 mothers daughters and.htm

Doctrinal and Moral Treatises. Index of Subjects.
... 729]328 sq.; the Seed of Abraham, [730]339 ... the Head, [840]375; an heretical notion
concerning, [841]389 ... Concubinage, for offspring's sake unlawful, [904]406; was ...
/.../on care to be had for the dead /doctrinal and moral treatises index.htm

What is a concubine? Why did God allow men to have concubines in the Bible? | GotQuestions.org

How many wives did Abraham have? | GotQuestions.org

Concubinage: Dictionary and Thesaurus | Clyx.com

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