Web Reference: Rio Díaz Cojuangco (Tagalog: [ˈɾijo ˈdɪas kɔˈhwaŋkɔ]; born Rosario Aspillera Díaz; August 14, 1959 – October 4, 2004), was a Filipino beauty queen, television presenter, actress and politician. Feb 12, 2026 · Rio Díaz-Cojuangco (born Rosario Aspillera Díaz; 14 August 1959 – 4 October 2004), was a Filipino beauty queen, television presenter, actress and politician. The sister of former Miss Universe 1969 Gloria Díaz, she was diagnosed with stage four colon cancer and died in the United States in 2004. Rio Diaz was a Filipino actress and former beauty queen who died of colon cancer in 2004. She was the youngest sister of Gloria Diaz, Miss Universe 1969, and a vice mayor of Pontevedra, Negros Occidental.
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Details: $28M - $60M
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Last Updated: April 6, 2026
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