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Wiki information Steffenon:

Rogério Ricardo Steffenon
Mathematician, Author, Academic, Person

Balbina Steffenone
Opera singer, Musical Artist, Person, Deceased Person

Balbina Steffenone was a 19th-century soprano. Born in Turin, Italy, she studied in Bologna under Teresa Bertinotti, debuting as Lucia in Macerata in 1842. After singing across Italy, she spent 1845-47 singing at Covent Garden, then went to North...