Ezra 2:52 Kabbalah

בְּנֵי־בַצְל֥וּת בְּנֵי־מְחִידָ֖א בְּנֵ֥י חַרְשָֽׁא׃

the children of Bazluth, the children of Mehida, the children of Harsha;

Read kabbalistic (mystical) interpretation of Ezra 2:52: and classical mystical sources.