וַיַּעֲל֤וּ בִֽיהוּדָה֙ וַיִּבְקָע֔וּהָ וַיִּשְׁבּ֗וּ אֵ֤ת כָּל־הָרְכוּשׁ֙ הַנִּמְצָ֣א לְבֵית־הַמֶּ֔לֶךְ וְגַם־בָּנָ֖יו וְנָשָׁ֑יו וְלֹ֤א נִשְׁאַר־לוֹ֙ בֵּ֔ן כִּ֥י אִם־יְהוֹאָחָ֖ז קְטֹ֥ן בָּנָֽיו׃
and they came up against Judah, and broke into it, and carried away all the substance that was found in the king’s house, and his sons also, and his wives; so that there was never a son left him, save Jehoahaz, the youngest of his sons.
Rashi
and the sons of Ahaziah’s brothers He does not mention Ahaziah’s brothers because they were slain in the days of Joram their father, as it is written (above 21:17): “And they marched upon Judah and split it, etc., and no son was left to him except Jehoahaz, the youngest of his sons.”