The Weasleys!

Fred, George and Ron come back into the house with Harry, Mary (their mother) spots them (Mary): Where HAVE you been?! Harry! how wonderful to see you dear. Beds empty, no note, car gone! You could've died! You could've been seen! Of course, I don't blame you Harry, dear. (Ron): They were starving him, Mum. They have bars on his window! (Mary): Well you best hope I don't put bars on your window, Ronald Weasley! Her expression changes Come on, Harry, time for a spot of breakfast.