וַיִּשָּׂא־ל֥וֹ יְהוֹיָדָ֖ע נָשִׁ֣ים שְׁתָּ֑יִם וַיּ֖וֹלֶד בָּנִ֥ים וּבָנֽוֹת׃
E tomou Jeoiada para ele duas mulheres, das quais teve filhos e filhas.
Rashi on II Chronicles
and he begot sons and daughters Because it says below (verse 25) that Joash slew the sons of Jehoiada, it was necessary to note that he had sons.