Giuseppe Verdi Verdi and Giuseppina decided to adopt Carlo's great-niece Filomena Maria Verdi, then seven years old, as their own child. She was to marry in 1878 the son of Verdi's friend and lawyer Angelo Carrara and her family became eventually the heirs of Verdi's estate. "Aida" was commissioned by the Egyptian government for the opera house built by the Khedive Isma'il Pasha to celebrate the opening of the Suez Canal in 1869. The opera house actually opened with a production of "Rigoletto". The prose libretto in French by Camille du Locle, based on a scenario by the Egyptologist Auguste Mariette, was
International Commission for the piercing of the isthmus of Suez commented on the execution of the future works or on their management. The comprehensive final report together with the journal of the investigation group and the minutes of the deliberations of the complete commission have been published by Lesseps in Negrelli informed the "K.K. Geographische Gesellschaft" (Imperial Royal Geographic Society) in Vienna about the intended canal and presented them with a copy of the Commission's final report. The society published the information in their own papers: International Commission for the piercing of the isthmus of Suez The International Commission for the piercing of the isthmus of Suez ("Commission Internationale pour