Leviticus 25:54-55

Wycliffe Bible

⁵⁴ That if he may not be again-bought by this manner, he shall go out with his free children in the year of jubilee; (And even if he is not bought back in this manner, he shall still go out free with his children in the Jubilee Year;)

⁵⁵ for the sons of Israel be my servants, which I led out of the land of Egypt. I am your Lord God; (for the Israelites be my slaves, whom I led out of Egypt. I am the Lord your God;)