Deuteronomy 21:13

and remove the garment in which she was captured. And she shall sit in your house and weep for her father and mother, for one month. And after that, you shall enter to her and sleep with her, and she shall be your wife

Other versions

King James Version

And she shall put the raiment of her captivity from off her, and shall remain in thine house, and bewail her father and her mother a full month: and after that thou shalt go in unto her, and be her husband, and she shall be thy wife.

English Standard Version

And she shall take off the clothes in which she was captured and shall remain in your house and lament her father and her mother a full month. After that you may go in to her and be her husband, and she shall be your wife.

New International Version

and put aside the clothes she was wearing when captured. After she has lived in your house and mourned her father and mother for a full month, then you may go to her and be her husband and she shall be your wife.