II Kings 12:1 Midrash

בֶּן־שֶׁ֥בַע שָׁנִ֖ים יְהוֹאָ֥שׁ בְּמָלְכֽוֹ׃ (פ)

Jehoash was seven years old when he began to reign.

Read midrashic interpretation of II Kings 12:1: and classical rabbinic exegesis.