Thread:DonaldMcDuck/@comment-22439-20140709051006/@comment-24252802-20140715033911

Yes it is. If you watch DuckTales you'd see that in the episode 'Pearl of Wisdom' her last name is Vanderquack, and episode 'Three Ducks of the Condor' she is shown to be Mrs. Beakely's granddaughter. Please do your research.