Holders

• 1 Carlos Augusto Bon de Sousa, 1st viscount of Pernes * 1830
• 2 António Maria de Lourdes Bon de Sousa de Almeida de Melo e Castro, 2.º viscount of Pernes * 1876
• 3 Carlos Bon de Sousa de Melo e Castro, 4th count of Antas * 1905
• 4 António Maria de Lancastre de Mello e Castro, 5th count of Antas * 1952

Sources

• Nobreza de Portugal e Brasil - 3 vols-vol. 3-pg. 125-126

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