Acrobat, equilibrist, wire walker, perchist, actress, singer. She made her debut in the circus after finishing junior high school. His parents are Benedito Waldemar Dias and Ubaldina Luiza de Queiroz Dias. Her paternal grandparents are Antonio Dias da Costa and Emília Dias da Costa. From 1964 to 1994, she performed in the circuses Irmãos Dias, Stankowich, Vostok, Spacial, Pavilhão do Sabuguinho, Charles Barry, D'Itália, Real Palacios and Mundo Mágico Beto Carrero. Sonia married Nelson Souza Campos.