Tristram

Birth
Tristram is the son of King Meliodas and Elizabeth. Elizabeth is the sister of King Mark. Elizabeth died at the birth of Tristram, but before she died she had her ladies tell Meliodas to name their child Tristram.

Childhood
His dad remarries another woman who was very mean and wanted her own son on the throne. She tries to poison him and accidentally poisons her own son. She attempts again and Meliodas almost drinks it, she stops him, and figuring out what she was doing, Meliodas has her exiled. He travels around France with his tutor and masters many skills such as playing the harp and hunting.

Aiding King Mark
King Mark needs a champion to battle against Marhaus, a very talented knight. Tristram asks his uncle if he can be the one to battle him and Mark who didn't really care agreed.

Tristram vs. Marhaus
Tristram and Marhaus battle and they have a very intense where in the end he wins but is sorely wounded in battle. He gets Marhaus's sword and shield as a prize. A piece of Tristram's sword breaks off in Marhaus's skull and Marhaus dies.

Injuries
Tristram suffers many injuries from the fight so he has to go to Anguish's land, where they inspect his wounds. When they ask for his name, he says his name Tramtrist. He lies because he doesn't want them to know he killed Marhaus.

La Beale Isoud
Tristram is healed by Isoud. She asks him to fight in her honor against Sir Palamides and it will determine who she can marry. He beats Palamides and Palamides can't pursue her anymore.

Mark and Isoud
Mark has Tristram arrange a marriage between him and Isoud but on their way back to Ireland, Tristram and Isoud accidentally drink a love potion and fall in love with each other. Eventually they get married but she has an affair on the side with Tristram.

Palamides Steals Isoud
Palamides try to steal Isoud and give Isoud to Mark, but Tristram saves her.

He Goes Nuts
Tristram goes crazy when he finds love letters between his brother-in-law and Isoud.

Banished
Mark banishes him when he finds out about the affair.

Best Friends
Tristram and Lancelot become very good friends when they yield to one another after realizing who each other are in battle. Tristram becomes a knight of the round table.

Happy Ending
When Mark finds Tristram and Isoud together he imprisons them but they escape to Joyous Garde which is a castle that Lancelot gives them because he feels bad for all that they have suffered. They live together happily and Tristram continues to joust.