They helped the Venetian navy reconquer the Castle of Saint George on 25 December 1500 .
They killed over 300 people ( including the Albanian leader of the Gisdar garrison ) in the campaign against Frederick IV of Naples .
Helping the Venetian navy reconquer the Castle of Saint George on 25 December 1500 , they killed over 300 people ( including the Albanian leader of the Gisdar garrison ) in the campaign against Frederick IV of Naples .