Genesis 46:25
These are the sons of Bilhah, whom Laban gave unto Rachel his daughter, and these she bare unto Jacob: all the souls were seven.
Genesis 29:29
And Laban gave to Rachel his daughter Bilhah his handmaid to be her handmaid.
Genesis 30:3-8
And she said, Behold, my maid Bilhah, go in unto her; that she may bear upon my knees, and I also may obtain children by her.
Genesis 35:22
And it came to pass, while Israel dwelt in that land, that Reuben went and lay with Bilhah his father's concubine: and Israel heard of it. Now the sons of Jacob were twelve:
Genesis 35:25
and the sons of Bilhah, Rachel's handmaid: Dan and Naphtali;
Exodus 1:2
Reuben, Simeon, Levi, and Judah,