Meanwhile, Viola's twin, Sebastian, has been rescued by Antonio, a sea captain who previously fought against Orsino, yet who accompanies Sebastian to Illyria, despite the danger, because of his admiration for Sebastian. Sebastian's appearance adds the confusion of mistaken identities to the comedy. Taking Sebastian for 'Cesario', Olivia asks him to marry her, and they are secretly married in a church. Finally, when 'Cesario' and Sebastian appear in the presence of both Olivia and Orsino, there is more wonder and confusion at their physical similarity. At this point, Viola reveals her identity and is reunited with her twin brother.