Cross reference
Genesis 29:24
24 and Laban giveth to her Zilpah, his maid-servant, to Leah his daughter, a maid-servant.
Genesis 30:9-12
9 And Leah seeth that she hath ceased from bearing, and she taketh Zilpah her maid-servant, and giveth her to Jacob for a wife;
10 and Zilpah, Leah's maid-servant, beareth to Jacob a son,
11 and Leah saith, `A troop is coming;' and she calleth his name Gad.
12 And Zilpah, Leah's maid-servant, beareth a second son to Jacob,
Genesis 16:1
1 And Sarai, Abram's wife, hath not borne to him, and she hath an handmaid, an Egyptian, and her name `is' Hagar;
Genesis 24:59
59 And they send away Rebekah their sister, and her nurse, and Abraham's servant, and his men;
Genesis 46:18
18 These `are' sons of Zilpah, whom Laban gave to Leah his daughter, and she beareth these to Jacob -- sixteen persons.