Etymology and distribution of 當宮.

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

Ibaraki-ken . Distribution that also includes Yatsumonji. It was in the Azuchi-Momoyama period as a vassal of Mr. Satake based on Ibaraki-ken . Ibaraki - ken Omitama - shi The world music is headquartered. It was in the Edo period in the same place. Tell him that he was engaged in agriculture in the same area. Ibaraki-ken has a 七字 last name. 七字 Shichiji reference.