After falling in love with his uncle's wife, Cligès goes to this man for help. This man's wife was once kidnapped by the son of Bagdemagus, Meleagant. His father-in-law, Leodegrance, gave him a wedding gift that had earlier belonged to his own father. This man lost during a joust against the father of Percival, Pellinore, and broke his sword in the process. This man was raised by Ector, and his foster-brother Kay became his seneschal. The sheath of his sword grants immortality, but he was mortally wounded at the Battle 
After falling in love with his uncle's wife, Cligès goes to this man for help. This man's wife was once kidnapped by the son of Bagdemagus, Meleagant. His father-in-law, Leodegrance, gave him a wedding gift that had earlier belonged to his own father. This man lost during a joust against the father of Percival, Pellinore, and broke his sword in the process. This man was raised by Ector, and his foster-brother Kay became his seneschal. The sheath of his sword grants immortality, but he was mortally wounded at the Battle of Camlann by Mordred, his son with his half-sister Morgause. For 10 points, name this husband of Guinevere who headed Camelot and wielded Excalibur.
After falling in love with his uncle's wife, Cligès goes to this man for help.
King Arthur