Tatara Nagayuki was a Japanese sword maker. Some of his swords were inscribed with the note that Nagayuki fashioned them in the country of Settsu. He and his disciple were called "Kishii Sekido" or "Osaka Sekido.
Background
Tatara Nagayuki was born in 1670 in Wakayama, Japan.
Education
Tatara was a disciple of Kawachi-no-Kami-Yasunaga.