skos:altLabel | - The Duke of Parma
- Carlohuguista
- Carlos (IV) Hugo of Bourbon-Parma
- Carlos Hugo
- Carlos Hugo of Bourbon-Parma
- Carlos de Borbon y Parma
- Carlos-Hugo
- Carlos-Hugo de Borbón-Parma
- Charles Hugh
- Don Carlos Hugo
- Duke Carlos Hugo
- Duke Carlos IV of Parma
- Hereditary Prince Carlos Hugo of Parma
- Hugocarlista
- Hugocarlistas
- Hugues
- Huguista
- Huguistas
- Prince Carlos Hugo
- Prince Carlos Hugo of Bourbon-Parma
- Prince Carlos Hugo, Duke of Parma
- Prince Carlos Hugo, Duke of Parma and Piacenza
- Prince Carlos Hugo, Hereditary Duke of Parma
- Prince Carlos-Hugo of Bourbon-Parma
- Prince of Piacenza
- Progressist
- carlo-huguista
- carlohuguista
- carlohuguistas
- claimant Duke of Parma
- hugocarlistas
- huguistas
- prince Carlos Hugo
- pro-Carlos Hugo wing
- progressist faction
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