Etymology and distribution of 河泉.

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

Hokkaidou Sapporo-shi , Toukyou-to . Qing dynasty . Personal name . Hokkaidou Sapporo-shi Kasutama Yasushi who came from Shandong Province of People's Republic of China in 1876 for natural cultivation in Northern Ward, Okado-cho was naturalized on April 12, 1879 and was a "master" From a change name. 許 Kyo reference.