I Chronicles 23:8 Midrash

בְּנֵ֣י לַעְדָּ֗ן הָרֹ֧אשׁ יְחִיאֵ֛ל וְזֵתָ֥ם וְיוֹאֵ֖ל שְׁלֹשָֽׁה׃ (ס)

The sons of Ladan: Jehiel the chief, and Zetham, and Joel, three.

Read midrashic interpretation of I Chronicles 23:8: and classical rabbinic exegesis.