Sir lancelot and Guinevere betrayed King Arthur because of the extreme romance they have they had an affair and ran away together
She betrayed the king by having an affair with Sir Lancelot.
Guinevere betrayed her husband Arthur by having an affair with Lancelot, a knight of the Round Table and Arthur's close friend.She had an adulterous affair with Sir Lancelot.
She fell in love with Sir Lancelot but was the wife of King Arthur.
Guinevere was married to King Arthur, so ruled over Sir Lancelot as Queen. Then, the two fell in love and had an affair, thus causing the Last Battle, in which King Arthur is slayed while trying to kill Lancelot.
Because she was a desperate housewife, King Arthur wasn't around all the time.
She betrayed the king by having an affair with Sir Lancelot.
Guinevere betrayed her husband Arthur by having an affair with Lancelot, a knight of the Round Table and Arthur's close friend.She had an adulterous affair with Sir Lancelot.
king arther was married to Guinevere and she was cheating on him with Lancelot.
Lancelot
Sir Lancelot and King Arthur.
He slept with Guinivere.(Arthur thinks they do!)
Guinevere went off with Lancelot behind King Arthur's back.
Queen Guinevere. Then she betrayed King Arthur and went off with her lover, Lancelot.
Guinevere was his one and only true love. Earliest Welsh legends depicted her as his faithful wife.
Arthur-Guinevere-Lancelot(-Elaine) love triangle (Lancelot was a knight)
There is great controversy involving who Queen Guinevere was and when she died. The most common accepted story is that Queen Guinevere died shortly after King Arthur. Lancelot, when he heard of King Arthur's passing, traveled to see Guinevere and learned that she had passed away as well. After burying her next to King Arthur, Lancelot killed himself.
She fell in love with Sir Lancelot but was the wife of King Arthur.