Genesis 29:24
(Laban gavehis female servant Zilpah to his daughter Leah to be her servant.)
Genesis 30:9-12
When Leah saw that she had ceased bearing children, she took her servant Zilpah and gave her to Jacob as a wife.
Genesis 16:1
Now Sarai, Abram's wife, had borne him no children. She had a female Egyptian servant whose name was Hagar.
Genesis 24:59
So they sent away Rebekah their sister and her nurse, and Abraham's servant and his men.
Genesis 46:18
These are the sons of Zilpah, whom Laban gave to Leah his daughter; and these she bore to Jacob--sixteen persons.