Gwendolyn Tennyson (TNO)

Gwendolyn Tennyson is Ben 10,000 and Kai Green's daughter and Ken's sister.

Appearance
Gwendolyn Tennyson is a normal 13 year old girl, a little short for her age though. She has green eyes and her brown hair goes down

Before Season 2 (The New Omniverse)
In Failure: Part 2, due to Ben's choosing of the Ultimatrix MK10, reset the future and she became his daughter in this future.