Etymology and distribution of 䒳原.

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

Kagawa-ken , Hokkaidou . Heterogeneous form of 十川 . It was in the Edo period in Kagawa-ken Takamatsu-shi . In Kouchi-ken Kouchi-shi it is a ginkgo. 十川 Sogawa reference.