and took their name from each of their ancestors, as is next explained: who were princes of the tribes; the twelve tribes, as before observed, Num 1:4 , and were over them that were numbered; over the children of Israel that were numbered, Num 1:19 ; by which it that these princes are the very same persons that are mentioned by name there, as they are here afterwards; and were with Moses and Aaron, and assisting to them when they took the number of them; but according to the Targum of Jonathan, and Jarchi, these were appointed over them in Egypt; but the former is right: these now offered not sacrifices but gifts; they brought their presents to the Lord for the service of his sanctuary, and set them before him, as follows.