"I can’t see any other reason why," she said equally quietly. She fixed a smile on her face for the benefit of anyone who happened to glance in their direction. "The Weasleys are already powerful, after all. They have royal influence. Yes, they’re not rich, but Lady Ginevra will probably marry Potter and he’s absolutely rolling in Galleons. He could afford to refill their coffers ten times over. So it’s not money and it’s not power... it must be vengeance."