"You may wish to try contacting their friends. They might have received a more personalized letter with more information." Minerva was confused and Kingsley explained. "I’m not going to start a futile man-hunt like Fudge would. Someone like Lord Longbottom might have more information but I doubt it would be enough to track them down. To register as dead... They must be very very far away for the spells to fail. And you know they have never failed in all the centuries they have been in use."