Cognomen ヨウケン (ヨウケン ) , in the world, is a very rare surname. The family name ヨウケン is characteristic of Eastern Asia, particularly Japan, where it is a very rare surname.
Youken, and 雍建
) , in the world, is a very rare surname. The family name ヨウケン is characteristic of Eastern Asia, particularly Japan, where it is a very rare surname.