Etymology and distribution of 勢家.

Seike 【勢家】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Aichi-ken Ichinomiya-shi . 丹治 surname available. Aichi-ken Ichinomiya-shi Tamanoi is based in Kisogawa Town. In the same place I will tell you that it is the descendant of Kikuichi character Masamune, the sword of the Kamakura period. Crest is Kikuichi. 丹治 Tanji reference.