Deuteronomy 21:5 English Standard Version Anglicised (ESVUK)
5 Then the priests, the sons of Levi, shall come forward, for the Lord your God has chosen them to minister to him and to bless in the name of the Lord, and by their word every dispute and every assault shall be settled.
Numbers 6:23-27 English Standard Version Anglicised (ESVUK)
23 “Speak to Aaron and his sons, saying, Thus you shall bless the people of Israel: you shall say to them,
24 The Lord bless you and keep you;
27 “So shall they put my name upon the people of Israel, and I will bless them.”