Etymology and distribution of 静馬.

Shizuma 【静馬】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Yamaguchi-ken . 諏訪 surname is given. Yamaguchi-ken Nagato-shi It was in the Tokyo era as the priest of Shibuki Hachimangu Shrine in Shibuki. 諏訪 Suwa reference.