He slew also all the princes of Judah in Riblah. — The fact is not stated in 2 Kings 25, but is found in Jeremiah 39:6.
Related Commentaries of Jeremiah 52:10
Jeremiah 52:10
10 And the king of Babylon slew the sons of Zedekiah before his eyes: he slew also all the princes of Judah in Riblah.