Ezra 2:47 Kabbalah

בְּנֵי־גִדֵּ֥ל בְּנֵי־גַ֖חַר בְּנֵ֥י רְאָיָֽה׃

the children of Giddel, the children of Gahar, the children of Reaiah;

Read kabbalistic (mystical) interpretation of Ezra 2:47: and classical mystical sources.