Ezra 2:53 Kabbalah

בְּנֵי־בַרְק֥וֹס בְּֽנֵי־סִֽיסְרָ֖א בְּנֵי־תָֽמַח׃

the children of Barkos, the children of Sisera, the children of Temah;

Read kabbalistic (mystical) interpretation of Ezra 2:53: and classical mystical sources.