Genesis 46:25
These [are] the sons of Bilhah whom Laban gave to Rachel his daughter, and she bore these to Jacob--seven persons in all.
Genesis 29:29
And Laban gave Bilhah his female servant to Rachel his daughter as a female servant.
Genesis 30:3-8
Then she said, "Here [is] my servant girl Bilhah; go in to her that she may bear children {as my surrogate}. Then I will even {have children} by her."
Genesis 35:22
And while Israel was living in that land Reuben went and had sexual relations with Bilhah, his father's concubine. And Israel heard [about it].
Genesis 35:25
The sons of Bilhah, the female servant of Rachel: Dan and Naphtali.
Exodus 1:2
Reuben, Simeon, Levi, and Judah;