Family name コウブン (コウブン ) , across the world, is a rare surname. The cognomen コウブン is habitual in Eastern Asia, particularly Japan, where it is a rare surname.
Koubun, and 鴻文
スガイ, and オオワキ
) , across the world, is a rare surname. The cognomen コウブン is habitual in Eastern Asia, particularly Japan, where it is a rare surname.