Ezekiel 44:26

After he is cleansed [from the defilement of a corpse], seven days more shall elapse for him [before returning to the temple].

Numbers 6:10-21

On the eighth day he shall bring two turtledoves or two young pigeons to the priest, to the doorway of the Tent of Meeting (tabernacle).

Numbers 19:11-14

‘The one who touches the dead body of any person shall be unclean for seven days.

Hebrews 9:13-14

For if the sprinkling of [ceremonially] defiled persons with the blood of goats and bulls and the ashes of a [burnt] heifer is sufficient for the cleansing of the body,

Treasury of Scripture Knowledge

Summary

And after he is cleansed, they shall reckon unto him seven days.

Bible References

General references

Numbers 6:10
On the eighth day he shall bring two turtledoves or two young pigeons to the priest, to the doorway of the Tent of Meeting (tabernacle).
Numbers 19:11
‘The one who touches the dead body of any person shall be unclean for seven days.
Hebrews 9:13
For if the sprinkling of [ceremonially] defiled persons with the blood of goats and bulls and the ashes of a [burnt] heifer is sufficient for the cleansing of the body,