1) Hebrew girl name 
In the Book of Genesis, Zilpah (זִלְפָּה `drooping`, Standard Hebrew Zilpa, Tiberian Hebrew Zilpâ) is Leah`s handmaid who becomes a wife of Jacob and bears him two sons Gad and Asher. Zilpah is given to Leah as a handmaid by Leah`s father, Laban, upon Leah`s marriage to Jacob (see Genesis 29:24, 46:18). According to some commentators...
the mother of Gad and Asher. Gen. 30:10–13.