Etymology and distribution of 實貞.

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

Kagoshima-ken , Kouchi-ken , Hyougo-ken .

① Topography . 新開 form of irregular shape. Kagoshima - ken Aira - shi From the new gate of the gate division system that was in Kamisuma Kamisude in the Edo period.

② Kagoshima-ken Satsuma-gun Satsuma-chou Originated from Shimen Shinku under the Okinoshi's underwear. In the same era there was a new gate in the Edo era for the gate division system.