Deletion of U'ujio

Comment: There are plenty of Google hits for "Ujio", the shorter version of the name given, but they pretty much all seem to be either about The Last Samurai or people who chose the username Ujio (almost certainly inspired by The Last Samurai).  Given the story in the article about Ujio historically being killed by Matthew Perry, I tried Googling the names Ujio and Perry together; still plenty of hits, but again, all that I looked at were based on the Last Samurai.  I even tried searching Google Books and Google Scholar; still nada.  I can find no evidence that Ujio really existed as a historical figure as the article asserts.  Until and unless someone turns up some |reliable sources verifying the claims in this article, I'm recommending "delete
Stance: delete
Cited policy: Wikipedia:Reliable sources (WP:RS)