Sir Lancelot was King Arthurs best and bravest knight he had. He seemed to be loyal and was Arthurs best friend, until he ran away with Arthurs wife.
Lancelot had an affair with Gweneviere (Arthurs wife)
It was Sir Lancelot who had an affair with King Arthur's wife, Lady Guinevere.
i have found about 10 of them so far: -King Arthur -Guinevere: Arthurs Wife -Merlin: magician that raised Arthur -Morgan Le Fay: 1/2 sister of Arthur -Lancelot: a Knight of the Round Table -Lady of the Lake -Uther: Arthurs Father -Igraine: Arthurs mother more at kingarthursknights.com
King Arther's wife had an affair with Sir Lancelot.
It is said that the Tragedy of Camelot was when King Arthurs' wife and best friend sir Lancelot was having an affair and when Arthur found out it crushed his spirit and lost the will to go on and his kingdom crumbled under the power of King Arthur.
Sir Lancelot fell in love with King Arthur's wife, Queen Guinevere, which brought about tragic consequences.
Lancelot betrayed King Arthur by having an affair with his wife, Guinevere. Another well known knight to betrey arthur was Mordred, Mordred is known to be worse be cause he actually landed a mortal wound which ended up killing arthur
he was willing to let his wife choose the punishment for the knight because, the crime the knight committed was against a women.
King Arthur only had one wife. Guinevere, daughter of King Leodegrance. She is said to of betrayed Arthur by having a love affair with one of King Arthurs Knights of the round table, Sir Lancelot. Hope this helps. Don't really know if that's all true or not because it's all a myth. Just saying what I've heard.
It was born by his wife, who had an affair with a bull sent by Poseidon.