Genesis 35:25

and the sons of Bilhah, Rachel’s maid: Dan and Naphtali;

Genesis 30:4-8

So she gave him Bilhah her maid as a [secondary] wife, and Jacob went in to her.

Genesis 37:2

These are the generations of Jacob.

Joseph, when he was seventeen years old, was shepherding the flock with his brothers [Dan, Naphtali, Gad, and Asher]; the boy was with the sons of Bilhah and Zilpah, his father’s [secondary] wives; and Joseph brought back a bad report about them to their father.

Genesis 46:23-25

The son of Dan: Hushim.

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