Moritomo TANI, the first lord of the Yamaga Domain, was a military commander (daimyo) who served Nobunaga ODA and Hideyoshi TOYOTOMI, and controlled land worth 16,000 koku in Yamaga, Tanba Province.
藩祖・谷衛友は織田信長・豊臣秀吉に仕えた武将（大名）で、丹波国山家にて1万6000石を領した。