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TheDukes of Barcelos (Portuguese:Duque de Barcelos) was a title ofnobility granted by KingSebastian of Portugal on 5 August 1562 to the heir of theDuke of Braganza. After the Braganza accession to the throne, the title continued to be the title of the heir of the Duke of Braganza, alongside the title ofPrince of Beira.

This title (originallyCount of Barcelos) belonged to theBraganzas sinceAlphonse, 8th Count of Barcelos and 1st Duke of Braganza.

The first Duke of Barcelos was John I, eldest son ofTeodósio I, 5th Duque of Braganza, who become laterJohn I, 6th Duke of Braganza.

1. John I, 6th Duke of Braganza (1543–1583), 1st Duke of Barcelos from his birth until his father's death (1563);
2. Teodósio II, 7th Duke of Braganza (1568–1630), 2nd Duke of Barcelos (until 1583);
3. John II, 8th Duke of Braganza (1604–1656), 3rd Duke of Barcelos (until 1630). BecameKing of Portugal in 1640.

After theBraganzas ascended to thePortuguese throne, the title ofDuke of Barcelos was among those used by the PortuguesePrince of Beira.

• Duke of Braganza
• Count of Barcelos
• Dukedoms in Portugal

"Nobreza de Portugal e Brazil" – Vol II, page 401. Published by Zairol Lda., Lisbon 1989.

• Dukedoms of Portugal
• Dukes of Barcelos
• Portuguese noble titles
• 1562 establishments in Portugal

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