Zilpah

And Leah’s servant Zilpah bore Jacob a son.

When Leah’s servant Zilpah bore Jacob a second son,

And Laban gave his servant girl Zilpah to his daughter Leah as her maidservant.

These are the sons of Jacob born to Zilpah—whom Laban gave to his daughter Leah—sixteen in all.

When Leah saw that she had stopped having children, she gave her servant Zilpah to Jacob as a wife.