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Family name ケンゴウ (ケンゴウ ) , in all the world, is a rare last name. The surname ケンゴウ is characteristic of Eastern Asia, particularly Japan, where it is a rare surname.
Kengou, 健刚, 建剛, and 賢豪
サエキ, ヒラタ, and ヒロカワ