Board Thread:General Discussion/@comment-32742667-20170801135452/@comment-1038387-20170801142836

While I would normally refer you to the relevant wiki, I have ulterior motives not to, so I'm just going to answer it:


 * Second Age 1500: Rings are forged, given out
 * SA 2259: Nazgûl first appear
 * SA 3319: All of Númenor, save for one family, drowns.
 * Third Age 2931: Aragorn is born.

There's roughly 4500 years between the Rings and the birth of Aragorn. Lots can be lost in that time. Or just not recorded.

The nine are great kings of Men, not great kings of Númenor. Technically, they weren't all kings either, some were just mighty champions or sorcerers. We don't know how many, if any at all, came from Westernesse. Only one name was recorded: Khamûl, who was an Easterling of some rank or office. And "Easterling" itself is an incredibly vague term. It's a mystery how a chronicler from the west of the continent even learned of his name or heritage, as records of Easterlings are practically non-existent.

So, as to your question: no, it is not logical that he would know their previous identity.