Exod.21.9

And if he have betrothed her unto his son, he shall deal with her after the manner of daughters.

Exod.21.9

If he turns her over to his son, he has to treat her like a daughter.

Exod.21.9

And if he has betrothed her to his son, he shall deal with her according to the custom of daughters.

Exod.21.9

And if the slave girl's owner arranges for her to marry his son, he may no longer treat her as a slave girl, but he must treat her as his daughter.