User blog comment:Xilinoc/Ch. 570 (I can't think of a witty title at 11 pm)/@comment-29183117-20140226133717/@comment-8669536-20140226134810

I doubt Äs was a survivor of the Quincy massacre, the Medical Equipment doesn't strike me as being from the early 19th Century.

Edit: sorry, didn't quite think it through before posting, so I made an obvious mistake. However, I doubt they could have maintained his life for so long.