Claim: Rosa Mariani was the older sister of bass Luciano Mariani—an Italian operatic bass born in Cremona—who she toured Italy as well as performed in London’s King’s Theatre with in 1832.
Evidence: She was the older sister of bass Luciano Mariani, who played Oreo in the original production of Semiramide, and with whom she toured Italy. Luciano Mariani (1801 – 10 June 1859) was an Italian operatic bass. Mariani was born in Cremona and died in Castell'Arquato, aged 58. In 1832, the siblings performed in London's King's Theatre.