 Nyorai kupfuurira kweiyi ndima - Castagna akaberekerwa muGaxaq musi wa19 Mbudzi 1765. Munguva yekugara kweFrance kweMalta muna 1798, akasarudzwa semumiriri wedunhu reZurrieq, Safi, Kirkop neGudja. Apo kupandukira kutonga kweFrancekwakatanga muna September 1798, Castagna akatsigira vapanduki uye akanga achibatanidzwa mukubatwa kweSaint Thomas Tower kubva kuvaFrench. Musi waFebruary 18, 1799, akasarudzwa semumiriri weGudja kumupanduki Consiglio Popolare. Akagadzwawo somutariri wezvirongwa zvehurumende neBritish Civil Commissioner Alexander Ball. 