Chronicles II 30:6

6 And the posts went with the letters from the king and the princes to all Israel and Juda, according to the command of the king, saying, Children of Israel, return to the Lord God of Abraam, and Isaac, and Israel, and bring back them that have escaped those that were left of the hand of the king of Assyria.

Chronicles II 30:6 Meaning and Commentary

2 Chronicles 30:6

So the posts went with the letters from the king and his
princes throughout all Israel and Judah
Both through the kingdoms of the ten tribes of Israel, and the kingdom of the two tribes of Judah and Benjamin:

and according to the commandment of the king, saying;
so they were ordered by the king to say, when they delivered the letters which by the king's commandment they carried; or this was the purport of them, as follows, especially of those that were sent to the ten tribes:

ye children of Israel, turn again unto the Lord God of Abraham, Isaac,
and Israel;
from whom they had revolted, and from whose worship they had departed, by setting up and serving the calves at Dan and Bethel:

and he will return to the remnant of you that are escaped out of the
hand of the king of Assyria;
Pul and Tiglathpileser, who had both invaded their land, and the latter had taken many of their cities, and carried the inhabitants captive, ( 2 Kings 15:19 2 Kings 15:29 ) .

Chronicles II 30:6 In-Context

4 And the proposal pleased the king and the congregation.

5 And they established a decree that a proclamation should go through all Israel, from Bersabee to Dan, that they should come and keep the passover to the Lord God of Israel at Jerusalem: for the multitude had not done it lately according to the scripture.

6 And the posts went with the letters from the king and the princes to all Israel and Juda, according to the command of the king, saying, Children of Israel, return to the Lord God of Abraam, and Isaac, and Israel, and bring back them that have escaped those that were left of the hand of the king of Assyria.

7 And be not as your fathers, and your brethren, who revolted from the Lord God of their fathers, and he gave them up to desolation, as ye see.

8 And now harden not your hearts, as your fathers : give glory to the Lord God, and enter into his sanctuary, which he has sanctified for ever: and serve the Lord your God, and he shall turn away fierce anger from you.