Genesis 30:8-10

New American Standard Bible

⁸ So Rachel said, “With ^[a]mighty wrestling I have ^[b]wrestled with my sister, and I have indeed prevailed.” And she named him Naphtali.

⁹ When Leah saw that she had stopped having children, she took her slave Zilpah and gave her to Jacob as a wife. ¹⁰ And Leah’s slave Zilpah bore Jacob a son.