Etymology and distribution of 寳平.

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

Saitama-ken , Gunma-ken . Saitama-ken Honjou-shi Origin of Shihoden (Shihoden). A place name with a record since the Warring States Period. He told him that he called it during the Heian period in the same place.