Etymology and distribution of 管河.

Suga 【管河】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Fukuoka-ken · Toukyou-to , Chiba-ken . Korean type . Originated in Danyang County, North Chungcheong Province, Republic of Korea. "Danyang is the main line" means. Fukuoka-ken Fukuoka-shi has a record of naturalization on February 25, 1966. The real name is Yu. 禹 U reference.