John Gill Commentary Ezra 6:16

"And the children of Israel, the priests, and the Levites, and the rest of the children of the captivity, kept the dedication of this house of God with joy." — Ezra 6:16 (ASV)

And the children of Israel
Those of the ten tribes that remained after the body of the people were carried captive, or came with the Jews at their return:

the priests and the Levites, and the rest of the children of the
captivity ;
those of the tribes of Judah and Benjamin:

kept the dedication of this house of God with joy ;
they set it apart for sacred use and service, with feasting and other expressions of joy and gladness, as follows.