Exodus 21:10 KJV

If he take him another wife; her food, her raiment, and her duty of marriage, shall he not diminish.
Exodus 21:10, King James Version

In context

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

10 If he take him another wife; her food, her raiment, and her duty of marriage, shall he not diminish.

11 And if he do not these three unto her, then shall she go out free without money.