Giacinto de' Sivo in the southern Italian town of Maddaloni to a family of long loyalty to the House of Bourbon.

[1][2] De’ Sivo served in various state positions in the Two Sicilies: a member of the Commission for Public Education, in 1848 he was appointed Councilor of Intendance of the province of Terra di Lavoro.

[4] In 1861 he published his first historical essay Italy and its political drama in 1861 (L'Italia e il suo dramma politico nel 1861), in which he judged the unification process as elitist and distant from the interests of the people, led by gun violence and the spread of lies.

De' Sivo's history offers valuable insights into the political crisis of the Kingdom of the Two Sicilies and the brigandage that followed the unification of Italy.

The thought of de' Sivo was long the subject of ostracism, in spite of Benedetto Croce had highlighted his thickness as a scholar by writing a biography that was included in the work A family of patriots (Una famiglia di patrioti).