Numbers 18:26

'And unto the Levites thou dost speak; and thou hast said unto them, When ye take from the sons of Israel the tithe which I have given to you from them, for your inheritance, then ye have lifted up from it the heave-offering of Jehovah, a tithe of the tithe;

Nehemiah 10:38

and the priest, son of Aaron, hath been with the Levites in the tithing of the Levites, and the Levites bring up the tithe of the tithe to the house of our God unto the chambers, to the treasure-house;

Numbers 18:21

and to the sons of Levi, lo, I have given all the tenth in Israel for inheritance in exchange for their service which they are serving -- the service of the tent of meeting.

Treasury of Scripture Knowledge

Summary

Thus speak unto the Levites, and say unto them, When ye take of the children of Israel the tithes which I have given you from them for your inheritance, then ye shall offer up an heave offering of it for the LORD, even a tenth part of the tithe.

Then ye shall

A tenth part

General references

Bible References

Then ye shall

Numbers 18:19
all the heave-offerings of the holy things which the sons of Israel lift up to Jehovah I have given to thee and to thy sons, and to thy daughters with thee, by a statute age-during, a covenant of salt, age-during it is before Jehovah, to thee and to thy seed with thee.'

A tenth part

Nehemiah 10:38
and the priest, son of Aaron, hath been with the Levites in the tithing of the Levites, and the Levites bring up the tithe of the tithe to the house of our God unto the chambers, to the treasure-house;

General references

Numbers 15:21
Of the beginning of your dough ye do give to Jehovah a heave-offering -- to your generations.