Zilpah was a servant to Leah, a wife of Jacob's. Zilpah gave birth to two of the sons who became patriarchs of two of the 12 Tribes of Israel - Asher and Gad.
Zilpah was a servant to Laban, the father of Leah. Laban gave Zilpah to Leah when she was married to Jacob.
Zilpah is mentioned by name seven times in the Bible, in Genesis 29:24, Genesis 30:9, Genesis 30:10, Genesis 30:12, Genesis 35:26, Genesis 37:2, Genesis 46:18.
The meaning of the name Zilpah is uncertain, according to some scholars.
Next person in the Bible: Zimri, King of Israel