Queen Helen

Queen Helen was the first queen of the Kingdom of Narnia, wife to King Frank, and mother of all the original kings and queens of Narnia. Her original name from her own world was Nellie, but was changed at Aslan's request. Helen was described kind and lovely woman.

Trivia
It may not be just coincidence that Helen shares her first name with Helen Pevensie, mother of the Pevensie children.