Complex sentence: Sofia, Acciano's head wife and a secret Christian, enters with her son Oronte who has fallen in love with the captive Giselda (Aria: "La mia letizia infondere").
Split into simpler sentences: Sofia, Acciano's head wife and a secret Christian, enters with her son Oronte. Oronte has fallen in love with the captive Giselda (Aria: "La mia letizia infondere").