Board Thread:General Discussion/@comment-24758063-20141103163003/@comment-24770490-20141115140018

UltiVerse wrote: Gwendolyn isn't Ben's daughter, but she was seen in Ken 10.

She was never meant to be Ben's daughter. She was just an incidental used in the OS. Dwayne named her in Alien Force, then created a completely new future in Ultimate Alien.