Genesis 30:9

Overview - Genesis 30
1	Rachel, in grief for her barrenness, gives Bilhah her maid unto Jacob.
5	Bilhah bears Dan and Naphtali.
9	Leah gives Zilpah her maid, who bears Gad and Asher.
14	Reuben finds mandrakes, with which Leah buys her husband's company of Rachel.
17	Leah bears Issachar, Zebulun, and Dinah.
22	Rachel bears Joseph.
25	Jacob desires to depart.
27	Laban detains him on a new agreement.
37	Jacob's policy, whereby he becomes rich.

Genesis 30:9  (King James Version)
When Leah saw that she had left bearing, she took Zilpah her maid, and gave her Jacob to wife.