Heinrich von Kleist was born on October 18, 1777 and died on November 21, 1811. Heinrich von Kleist would have been 34 years old at the time of death or 234 years old today.
the von in a German or Austrians name means "of", it was also designated as a sign of rank, more or less like being knighted. so for example the Napoleonic era Prussian general August von Gnesinau...