Gwen was born on Gramarye. Her only known relative is Brom O'Bernin who is her father, though she does not known this. Gwen spend much of her life living either alone of with the elves. This is most likely due to her being a target of the witch-hunts that non magical Gramaryian held. During the events of The Warlock in Spite of Himself Gwen, likely due to Brom's intervention, met Rod. The two quickly fell in love and were engaged by the end of the book.