Representative of the Neo-Guelph movement, he was appointed Prime Minister on 3 April 1848 by Ferdinand II according to the Constitution granted on 11 February 1848.
At Gaeta on August 1 Gwinn received on board King Ferdinand II and Pope Pius IX.
Ferdinand Marcos | Ferdinand Magellan | Franz Ferdinand | Ferdinand II of Aragon | Franz Ferdinand (band) | Archduke Franz Ferdinand of Austria | Ferdinand von Mueller | Ferdinand I, Holy Roman Emperor | Ferdinand I | Ferdinand | Louis-Ferdinand Céline | Ferdinand Foch | Rio Ferdinand | Kingdom of the Two Sicilies | Ferdinand VII of Spain | Ferdinand de Lesseps | Ferdinand Porsche | Ferdinand II, Holy Roman Emperor | Ferdinand II | Ferdinand Hodler | Ferdinand I of Naples | Ferdinand III | Maria Christina of the Two Sicilies | Ferdinand Vandeveer Hayden | Ferdinand I of the Two Sicilies | Ferdinand I of Bulgaria | Ferdinand I of Aragon | Ferdinand III of Castile | Ferdinand III, Holy Roman Emperor | Ferdinand Finne |
The monument was designed by the architect Luigi Poletti and commissioned by Ferdinand II, King of the Two Sicilies.
Carlo Troya, a Neo-Guelphic historian and liberal, had a constitutional government from 3 April 1848, but he was replaced with Spinelli after the coup d'état by Ferdinand II of the Two Sicilies which had dissolved the democratic parliament on 15 May 1848 and
# Princess Maria Cristina of Savoy (Maria Cristina Carlotta Giuseppina Gaetana Elise; 14 November 1812 – 21 January 1836) married Ferdinand II of the Two Sicilies, had issue.