Etymology and distribution of 関達.

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

Okayama-ken Tsuyama-shi , Yamaguchi-ken , Fukuoka-ken . Last name including "always", 藤原 surname. Okayama-ken Tsuyama-shi Yamashita was in the Edo period in the Tsuyama clan of the clan office. 藤原 Fujiwara reference.