Tatsuma 【達間】2 The Japanese surnames etymology dictionary.
① Topography . From the outside river. Wakayama-ken Hidaka-gun Hidaka-chou In Aio, he says that during the Warring States Period, he was in Shiga-ken Ootsu-shi 's cooking place . In Yamanashi-ken Minamitsuru-gun Fujikawaguchiko-machi tells that it was written as "river". Aomori-ken Hirakawa-shi Tell the ship that you called it in the early Edo period.