I Chronicles 23:12 Midrash

בְּנֵ֣י קְהָ֗ת עַמְרָ֥ם יִצְהָ֛ר חֶבְר֥וֹן וְעֻזִּיאֵ֖ל אַרְבָּעָֽה׃ (ס)

The sons of Kohath: Amram, Izhar, Hebron, and Uzziel, four.

Read midrashic interpretation of I Chronicles 23:12: and classical rabbinic exegesis.