Deuteronomy 15:12

And if thy brother [or sister], a Hebrew man or a Hebrew woman, be sold to thee, he shall serve thee six years, and in the seventh year thou shalt send him out free from thee.

And if your brother [or sister], a Hebrew man or a Hebrew woman, be sold to you, he shall serve you six years, and in the seventh year you shall send him out free from you.

And if thy brother, an Hebrew man, or an Hebrew woman, be sold unto thee, and serve thee six years; then in the seventh year thou shalt let him go free from thee.