Zilpah: Mother of Gad and Asher by Jacob

When Leah saw that she had stopped having children, she gave her servant Zilpah to Jacob as a wife. …

And the sons of Leah’s maidservant Zilpah were Gad and Asher. These are the sons of Jacob, who were born to him in Paddan-aram.

This is the account of Jacob. When Joseph was seventeen years old, he was tending the flock with his brothers, the sons of his father’s wives Bilhah and Zilpah, and he brought their father a bad report about them.

These are the sons of Jacob born to Zilpah—whom Laban gave to his daughter Leah—sixteen in all.