Tristan

Tristan, also known as Tristran or Tristram and similar names, is the folk hero of the legend of Tristan and Iseult. While escorting the Irish princess Iseult to wed Tristan's uncle, King Mark of Cornwall, Tristan and Iseult accidentally drink a love potion during the journey and fall in love, beginning an adulterous relationship that eventually leads to Tristan's banishment and death.