Genesis 29:24
(Laban gave his female servant Zilpah to his daughter Leah to be her servant.)
Genesis 30:9-12
When Leah saw that she had stopped having children, she gave her servant Zilpah to Jacob as a wife.
Genesis 16:1
Now Sarai, Abram's wife, had not given birth to any children, but she had an Egyptian servant named Hagar.
Genesis 24:59
So they sent their sister Rebekah on her way, accompanied by her female attendant, with Abraham's servant and his men.
Genesis 46:18
These were the sons of Zilpah, whom Laban gave to Leah his daughter. She bore these to Jacob, sixteen in all.