I Chronicles 8:1 Midrash

וּבִ֨נְיָמִ֔ן הוֹלִ֖יד אֶת־בֶּ֣לַע בְּכֹר֑וֹ אַשְׁבֵּל֙ הַשֵּׁנִ֔י וְאַחְרַ֖ח הַשְּׁלִישִֽׁי׃

And Benjamin begot Bela his first-born, Ashbel the second, and Aharah the third;

Read midrashic interpretation of I Chronicles 8:1: and classical rabbinic exegesis.