  "Obliviate," he muttered jabbing his wand at her. She then forgot about all the good memories she had of her sister. He then confounded her into hating magic and wanting nothing to do with it. Waltzing into the house he did the same thing to the whale of a man and then also the baby. He knew that using magic on babies was cruel as their bodies couldn't handle it and the boy would most likely feel immense pain but it was completely for safety reasons.