A Hamptons real estate broker is facing charges that he had an extensive collection of child pornography.Cops say Matthias von Wrede admitted to having child pornography and "knew it was wrong and disgusting." The German citizen and Sag Harbor resident was arraigned on Tuesday. Suffolk detectives said they confiscated his computer and various CDs. They say some of the images contained children as young as 4 years old. Von Wrede manages and owns Engel and Volkers Real Estate Group. It's an upscale, international firm located in Southampton.