Gianni di Calais
|Role||Voice type||Premiere Cast, 2 August 1828
(Conductor: - )
|Metilde, Gianni's wife||soprano||Adelaide Comelli Rubini|
|Gianni da Calais, shipowner||tenor||Giovanni Battista Rubini|
|Rustano, head of Gianni's sailors||baritone||Antonio Tamburini|
|The king, Metilde's father||bass||Michele Benedetti|
|Arrigo, page of the duchess||contralto||Edvige Ricci|
|Corrado, Rogiero's friend||tenor||Gaetano Chizzola|
|Adelina, duchess and friend of Metilde||soprano|
|Ermanno, young son of Gianni||silent|
|Sailors, bridesmaids, people|
- Time: "The past" 
- Place: Portugal
The Duchess Adelina meets a masked woman with a child on the beach at night. The stranger turns out to be her friend, Princess Matilde, the king's daughter, fleeing to avoid having to marry the courtier Rogiero. During her flight she had fallen into the hands of pirates, but had been rescued by the ship-owner Gianni di Calais, who later became her husband. No one knows that the woman is the king's daughter except Gianni's faithful friend, Rustano. Gianni arrives with the sails of his ship showing images of his wife and son. He has been called to court by the king in order to search for his daughter. It is at this point that Gianni realizes the identity of his wife, and she appears at that moment. When the furious Rogiero sees her, he plans his revenge by kidnapping Gianni's and Matilde's son, but the boy is immediately rescued by Rustano. The king punishes Rogiero, and Gianni is accepted as Matlide's husband.
- Osborne 1994, p. 180
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