TSK · Genesis 50:3

When they came to the threshing floor of Atad on the other side of the Jordan, they mourned there with very great and bitter sorrow. There Joseph observed a seven day period of mourning for his father.

discard the clothing she was wearing when captured, and stay in your house, lamenting for her father and mother for a full month. After that you may sleep with her and become her husband and she your wife.