Viscount of Mangualde was a Portuguese nobility title created and granted by King Carlos I of Portugal on 23 April 1891 to Francisco de Almeida Cardoso e Albuquerque, the only holder of this title. In 1905, this title was elevated to Count of Mangualde.[1]

References

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  1. ^ Martins Zúquete, Afonso Eduardo (1989). Nobreza de Portugal e Brasil (in Portuguese). Vol. II (2nd ed.). Lisbon: Editorial Enciclopédia. pp. 717–718.