I Chronicles 5:4 Kabbalah

בְּנֵ֖י יוֹאֵ֑ל שְׁמַֽעְיָ֥ה בְנ֛וֹ גּ֥וֹג בְּנ֖וֹ שִׁמְעִ֥י בְנֽוֹ׃

The sons of Joel: Shemaiah his son, Gog his son, Shimei his son;

Read kabbalistic (mystical) interpretation of I Chronicles 5:4: and classical mystical sources.