Etymology and distribution of 文馬.

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

Kyouto-fu Kyouto-shi · Shiga-ken Kusatsu-shi · Saitama-ken . Terrain . "Mountain" is added to "Hita" of Hitani. Saitama-ken tells that Niigata-ken Niigata-shi is a branch of Rinzani surname and originally Nagano-ken is out. 柾谷 Masaya reference.