Yes you are! You married my father,Bill Weasley's brother, Ron and have two children,Rose and Hugo. I am Dominique Weasley your niece and my siblings Victoire and Louis are your niece and nephew.
Oh for goodness sake,Aunt Hermione! Use your booksmarts! You are here because something in the space/time continuum has ripped causing all of us to be brought here agsinst our will and from different parts of the past,present and future. And they say you are the only smart one in this family...