Barashelle bonds a Warder while still Accepted. As punishment, she is forced to pass the bond, remain Accepted another three years and then bond Anselan, a stubborn old man. (TFoH,Ch36)
Other References
TFoH,Ch24 - In The Flame, the Blade and the Heart, Egwene reads about Anselan and Barashelle. In stories they are heroes and lovers.
Books