When Leah saw that she had left bearing, she took Zilpah her maid, and gave her Jacob to wife.
Leah gives her servant Zilpah to Jacob as a wife after she stops bearing children.
Genesis 30:9
King James Version (public domain)
Traditionally attributed to Moses · c. 13th century BC · The Pentateuch — Genesis, Exodus, Leviticus, Numbers, and Deuteronomy — is traditionally attributed to him
Context
7And Bilhah Rachel’s maid conceived again, and bare Jacob a second son.
8And Rachel said, With great wrestlings have I wrestled with my sister, and I have prevailed: and she called his name Naphtali.
9When Leah saw that she had left bearing, she took Zilpah her maid, and gave her Jacob to wife.
10And Zilpah Leah’s maid bare Jacob a son.
11And Leah said, A troop cometh: and she called his name Gad.