3 and compleated his forty days; [for this is the time allowed for embalming] the Egyptians mourned for him seventy days.
Genesis 50:3 Cross References - VIN
Genesis 50:10
10 And they came to the threshing floor of Atad, beyond Jordan, and there they mourned with a great and very sore lamentation. And he made a mourning for his father seven days.
Numbers 20:29
29 And when all the congregation saw that Aaron was dead, the whole house of Israel mourned for Aaron thirty days.
Deuteronomy 21:13
13 and she shall remove the clothing she was wearing when captured, and shall remain in your house, and mourn her father and her mother a full month. And after that you may go in to her and be her husband, and she shall be your wife.
Deuteronomy 34:8
8 The children of Israel wept for Moses in the plains of Moab thirty days, until the days of weeping in the mourning for Moses were ended.