Yes
The word "nobility" is used much less often today than a century ago, but it is still used at times.
Yes. They do exist today (2014).
Yes it does exist today, but it did not exist until the 1920's.
The incas don't exist today
the countreys that dont exist today are yogusalvia from world war 2
Olympia, Greece does not exist today.
No.
No!
The way it would link the nobility was through marriage between noble families. In fact, the Queen today can trace her family back through time and marriages. This method provided that the power stay within the nobility.
Ada Street does indeed exist in Chicago today.
Yes, swahili culture and language exist in Africa today.
If Tinkerbell fairies exist today, it is as a result of the "Tinkerbell Effect" this means that they exist only to people who believe them or because people believe them.