Etymology and distribution of 團之原.

Dan'nohara 【團之原】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Nara-ken , Oosaka-fu . In Nara-ken tell her that it was given to the house with lead name and gifted during goodwilling. Estimated in the Edo period. There is an example of using a "valley" for a store of a shop name. 鉛 Namari reference.