Genesis 30:8-10

Amplified Bible

⁸ So Rachel said, “With mighty wrestlings [in prayer to God] I have struggled with my sister and have prevailed.” So she named him Naphtali (my wrestlings).

⁹ When Leah saw that she had stopped bearing [children], she took Zilpah her maid and gave her to Jacob as a [^[a]secondary] wife. ¹⁰ Zilpah, Leah’s maid, gave birth to a son for Jacob.