Guinevere

Guinivere was the real life girlfriend of Galant and his wife in SAO. She was member of the Royal Knights alongside him and his four friends. She was killed alongside her Guild by Lauthing Coffin, etcept from her husband.

Chronogicaly
She was amongst the 10000 player of SAO that were trapped in the death-game. She entered the game with his boyfriend and his friends. They decided to crate a Guild name "The Royal Knights", and they played succesfuly, being among the top clearers of the game.