King Mark of Cornwall was the son of King Felix of Cornwall. His father died after a raid on his castle at Tintagel his household and, impressed by his prowess of arms, made him his steward. Tristan became a local hero when he defended the kingdom against the Irish champion, Sir Morhaut. With the Irish in retreat, King Mark entered into a peace treaty with them, to be sealed by his marriage to Princess Isolde. Tristram was sent to escort her to Cornwall, but the two mistakenly drank a love potion intended for the bridal couple. Despite Mark and Isolde’s marriage, Tristram became the new Queen’s lover. They tried to keep their affair a secret, making great use of Tristan's natural talent for disguise. Mark , of course, found out however and a bitter feud with his nephew ensued. Sir Tristan