Genesis 30:9-11

Darby Translation

⁹ And when Leah saw that she had ceased to bear, she took Zilpah her maidservant and gave her to Jacob as wife.

¹⁰ And Zilpah Leah's maidservant bore Jacob a son.

¹¹ And Leah said, Fortunately! and she called his name Gad.