Genesis 46:25

These are the sons of Bilhah, whom Laban gave to Rachel his daughter, and these she bore to Jacob--seven persons in all.

(Laban gave his female servant Bilhah to his daughter Rachel to be her servant.)

Then she said, "Here is my servant Bilhah; go in to her, so that she may give birth on my behalf, that even I may have children through her."

While Israel lived in that land, Reuben went and lay with Bilhah his father's concubine. And Israel heard of it. Now the sons of Jacob were twelve.

The sons of Bilhah, Rachel's servant: Dan and Naphtali.

Reuben, Simeon, Levi, and Judah,

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These are the sons of Bilhah, which Laban gave unto Rachel his daughter, and she bare these unto Jacob: all the souls were seven.

(Laban gave his female servant Bilhah to his daughter Rachel to be her servant.)

Then she said, "Here is my servant Bilhah; go in to her, so that she may give birth on my behalf, that even I may have children through her."

While Israel lived in that land, Reuben went and lay with Bilhah his father's concubine. And Israel heard of it. Now the sons of Jacob were twelve.

Reuben, Simeon, Levi, and Judah,

The sons of Bilhah, Rachel's servant: Dan and Naphtali.