"I doubt he ever really accepted the fact," he grimaces. "I believe he cast off his given name at approximately the same time as his natural father--his muggle parent--was found dead."
"Yes," he agrees somberly. "Mr. Weasley was a conscientious and capable student, if lacking in the more striking leaps of intellect displayed by most other members of his family. In another situation I believe he would have done quite well, but his position may have been en route to becoming untenable from the moment he was flattered with the responsibility of caring for two such unmanageable siblings so scarcely his juniors."
"I don't know why you'd want to, anyway," he mutters, attending carefully to his potion. Looking up, "Copper is ruled by Venus. April anticipates the vernal equinox." He looks at him expectantly, as though this was supposed to help.