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.
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Heinrich von Stephan was born on January 7, 1831 and died on April 8, 1897. This would have been 66 years old at the time of death or 179 years old today.
Heinrich von Herzogenberg was born on June 10, 1843 and died on October 9, 1900. Heinrich von Herzogenberg would have been 57 years old at the time of death or 168 years old today.