I Chronicles 6:8 Kabbalah

אֶלְקָנָ֥ה בְנ֛וֹ וְאֶבְיָסָ֥ף בְּנ֖וֹ וְאַסִּ֥יר בְּנֽוֹ׃

Elkanah his son, and Ebiasaph his son, and Assir his son;

Read kabbalistic (mystical) interpretation of I Chronicles 6:8: and classical mystical sources.