Zilpah
Genesis 29:24
and Laban giveth to her Zilpah, his maid-servant, to Leah his daughter, a maid-servant.
Genesis 30:9-13
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,
13
and Leah saith, 'Because of my happiness, for daughters have pronounced me happy;' and she calleth his name Asher.
Genesis 35:26
And sons of Zilpah, Leah's maid-servant: Gad and Asher. These [are] sons of Jacob, who have been born to him in Padan-Aram.
Exodus 1:4
Dan, and Naphtali, Gad, and Asher.