1:7 Unto whom the prince of the eunuchs {l} gave names: for he gave unto Daniel [the name] of Belteshazzar; and to Hananiah, of Shadrach; and to Mishael, of Meshach; and to Azariah, of Abednego.
(l) That they might altogether forget their religion: for the Jews gave their children names which might always put them in remembrance of some point of religion. Therefore this was a great temptation and a sign of servitude, which they were not able to resist.
1:7 Gave names - That is, other names, relating to the idol - gods. Belteshazzar - So Daniel had the name of Belteshazzar, from the great Babylonian idol Baal or Bell. This was by the king's command, and herein he put forth an act: of his sovereignty.
1:1-7 Nebuchadnezzar, king of Babylon, in the first year of his reign, took Jerusalem, and carried whom and what he pleased away. From this first captivity, most think the seventy years are to be dated. It is the interest of princes to employ wise men; and it is their wisdom to find out and train up such. Nebuchadnezzar ordered that these chosen youths should be taught. All their Hebrew names had something of God in them; but to make them forget the God of their fathers, the Guide of their youth, the heathen gave them names that savoured of idolatry. It is painful to reflect how often public education tends to corrupt the principles and morals.