i.e. Shall call them by my name, shall recommend them to me as my own people, and bless them and pray unto me for them as such; which is a powerful argument to prevail with God for them, and therefore hath been oft used by the prophets interceding for them, as Jeremiah 14:9 Daniel 9:18,19: compare 1 Samuel 12:22. I will bless them; I will ratify their blessings, and give those blessings to the people which the priests pray for.
Related Commentaries of Numbers 6:27
Numbers 6:27
27 And they shall put my name upon the children of Israel; and I will bless them.