"They’d spent months on the run, apparently ... the father worked with Oliver, and he had told some off-handed joke about Voldemort being a half-blood, when he was drunk at the pub on a staff night out. The wrong person heard it, told the authorities, and that was enough to get the father placed onto a Death Eater Watchlist ... and then their twins got targeted in that sickening eugenics programme that I hear the Hiranis are suffering under ...