Bereshis 30:9-11

Orthodox Jewish Bible

⁹ When Leah saw that she had stopped bearing, she took Zilpah her shifchah, and gave her to Ya’akov as isha.

¹⁰ And Zilpah shifchat Leah bore Ya’akov ben.

¹¹ And Leah said, BaGad (What Good Fortune!) And she called shmo Gad.