Genesis 30:9-13

30:9 When Leah saw that she had stopped having children, she gave her servant Zilpah to Jacob as a wife. 30:10 Soon Leah’s servant Zilpah gave Jacob a son. 30:11 Leah said, “How fortunate!” So she named him Gad.

30:12 Then Leah’s servant Zilpah gave Jacob another son. 30:13 Leah said, “How happy I am, for women will call me happy!” So she named him Asher.

Genesis 46:16-18

46:16 The sons of Gad:

Zephon, Haggi, Shuni, Ezbon, Eri, Arodi, and Areli.

46:17 The sons of Asher:

Imnah, Ishvah, Ishvi, Beriah, and Serah their sister.

The sons of Beriah were Heber and Malkiel.

46:18 These were the sons of Zilpah, whom Laban gave to Leah his daughter. She bore these to Jacob, sixteen in all.