who gave you permission to exist?

“DON’T -” screamed Snape, and his face was suddenly demented, inhuman - “CALL ME COWARD!”

“NOT MY DAUGHTER, YOU BITCH!”
Mrs. Weasley threw off her cloak as she ran, freeing her arms. Bellatrix spun on the spot, roaring with laughter at the sight of her new challenger.
“OUT OF MY WAY!” shouted Mrs. Weasley… Jets of light flew from both wands, the floor around the witches’ feet became hot and cracked; both women were fighting to kill.
[…]
“What will happen to your children when I’ve killed you?” taunted Bellatrix, as mad as her master, capering as Molly’s curses danced around her. “When Mummy’s gone the same way as Freddie?”
“You — will — never — touch — our — children — again!” screamed Mrs. Weasley.