Nehemiah 10:37
37 and to bring the first of our zdough, and our acontributions, the fruit of every tree, the wine and the oil, to the priests, to the chambers of the house of our God; and to bring to the Levites the btithes from our ground, for it is the Levites who collect the tithes in all our towns where we labor.
Ezekiel 44:30
30 And the first of all the rfirstfruits of all kinds, and every offering of all kinds from all your offerings, shall belong to the priests. You shall also give to the priests the first of your sdough, tthat a blessing may rest on your house.
Romans 11:16
16 If the dough offered as tfirstfruits is holy, so is the whole lump, and if the root is holy, so are the branches.