Genesis 50:3
It took 40 days to complete the process, the normal period required for embalming. Meanwhile, the Egyptians mourned for him for 70 days.
Numbers 20:29
When the entire community saw that Aaron had died, they mourned in memory of Aaron for 30 days.
Deuteronomy 34:8
The Israelis mourned for Moses at the desert plain of Moab for 30 days, after which the period of mourning for Moses was completed.
Genesis 50:10
When they arrived at Atad's threshing floor, which is located beyond the Jordan River, they held a great and mournful memorial service, during which Joseph spent seven days mourning for his father.
Deuteronomy 21:13
Remove her prisoner's clothing and let her remain for a month in your house, mourning her parents. After that, you may become her husband and she is to become your wife.