Genesis 30:8-12 New American Standard Bible (NASB)

8. So Rachel said, "With mighty wrestlings I have wrestled with my sister, and I have indeed prevailed." And she named him Naphtali.

9. When Leah saw that she had stopped bearing, she took her maid Zilpah and gave her to Jacob as a wife.

10. Leah's maid Zilpah bore Jacob a son.

11. Then Leah said, "How fortunate!" So she named him Gad.

12. Leah's maid Zilpah bore Jacob a second son.

Genesis 30