Yes. She is his great-great-great grandaughter.
Mae Whitman is the voice actress of Katara from Avatar:The Last Airbender
she admittedly says she is not lesbian. http://www.afterellen.com/people/2011/01/mae-whitman-talks-tegan-and-sara-and-crushing-on-ladies
Mae Whitman is 23 years old (birthdate: June 9, 1988).
maybe maybe not if you ever meet her ask even though she will probably think you ask'd a strange question