Jeremiah 2:14
"Is Israel a slave, or was he born a servant? Why then has he become plunder?
Exodus 4:22
You are to say to Pharaoh, "This is what the LORD says: "Israel is my firstborn son.
Genesis 15:3
Look!" Abram said, "You haven't given me any offspring, so a servant born in my house is going to be my heir."
Ecclesiastes 2:7
I acquired male and female slaves, and had other slaves born in my house. I also acquired for myself increasing numbers of herds and flocks more than anyone who had lived before me in Jerusalem.
Isaiah 50:1
This is what the LORD says: "Where is your mother's certificate of divorce with which I sent her away? Or to which of my creditors did I sell you? Look! It's because of your sins that you were sold, and because of your transgressions that your mother was sent away.