Brazil news outlet GZH reported that Nonnenmacher died Sunday after battling an undisclosed form of cancer.According to the outlet, Nonnenmacher had been admitted to the Hospital Moinhos de Vento in Porto Alegre for treatment on Friday.“Hospital Moinhos de Vento announces the death of Vânia Maria Nonnenmacher Bündchen this Sunday (28) due to cancer. At the age of 75, she was admitted to Hospital Moinhos de Vento on January 26,” according to the hospital statement obtained by GZH and signed by four doctors.The Post reached out to reps for Bündchen, 43, for comment.