I Chronicles 12:12 Kabbalah

עַתַּי֙ הַשִּׁשִּׁ֔י אֱלִיאֵ֖ל הַשְּׁבִעִֽי׃

Attai the sixth, Eliel the seventh;

Read kabbalistic (mystical) interpretation of I Chronicles 12:12: and classical mystical sources.