Verses with the word zilpah in the Old Testament (7 verses):

Genesis 29:24
And Laban gave unto his daughter Leah Zilpah his maid for an handmaid.

Genesis 30:9
When Leah saw that she had left bearing, she took Zilpah her maid, and gave her Jacob to wife.

Genesis 30:10
And Zilpah Leah's maid bare Jacob a son.

Genesis 30:12
And Zilpah Leah's maid bare Jacob a second son.

Genesis 35:26
And the sons of Zilpah, Leah's handmaid: Gad, and Asher: these are the sons of Jacob, which were born to him in Padanaram.

Genesis 37:2
These are the generations of Jacob. Joseph, being seventeen years old, was feeding the flock with his brethren; and the lad was with the sons of Bilhah, and with the sons of Zilpah, his father's wives: and Joseph brought unto his father their evil report.

Genesis 46:18
These are the sons of Zilpah, whom Laban gave to Leah his daughter, and these she bare unto Jacob, even sixteen souls.