Johan de Witt died on August 20, 1672 at the age of 46.
Cornelis de Witt died on August 20, 1672 at the age of 49.
Johan de Witt was born on September 24, 1625.
Johan de Witt was born on September 24, 1625 and died on August 20, 1672. Johan de Witt would have been 46 years old at the time of death or 386 years old today.