1、Fiesco reveals his identity and learns from the doge that Amelia is his granddaughter.
3、Fiesco and Gabriele are led in, and Paolo tries to convince the old man to assassinate the doge, while inciting Gabriele with insinuations about Boccanegra's relationship with Amelia.
2、Fiesco demands that he first be given his granddaughter, but Boccanegra explains that the infant has disappeared.