When it was clear to Leah that she would have no more children for a time, she gave Zilpah, her servant, to Jacob as a wife.
So after Abram had been living for ten years in the land of Canaan, Sarai took Hagar, her Egyptian servant, and gave her to Abram for his wife.
And Laban gave Zilpah, his servant-girl, to Leah, to be her waiting-woman.
And she was with child again, and gave birth to a son: and she said, This time I will give praise to the Lord: so he was named Judah; after this she had no more children for a time.
And Zilpah, Leah's servant, gave birth to a son.
And God gave ear to her and she became with child, and gave Jacob a fifth son.
So she gave him her servant Bilhah as a wife, and Jacob went in to her.
And Rachel said, I have had a great fight with my sister, and I have overcome her: and she gave the child the name Naphtali.
These are the children of Zilpah, whom Laban gave to his daughter Leah, and Jacob had these sixteen children by her.