Genesis 46:18

The English Standar Version

These are the sons of Zilpah, whom Laban gave to Leah his daughter; and these she bore to Jacob -- sixteen persons.

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(Laban gave[2] his female servant Zilpah to his daughter Leah to be her servant.)

Dan and Naphtali, Gad and Asher.

The sons of Zilpah, Leah's servant: Gad and Asher. These were the sons of Jacob who were born to him in Paddan-aram.

The sons of Asher: Imnah, Ishvah, Ishvi, Beriah, with Serah their sister. And the sons of Beriah: Heber and Malchiel.

The sons of Rachel, Jacob's wife: Joseph and Benjamin.