Bernard Aton IV, vicomte d'Albi

Bernard Ato IV (died 1129) was the Viscount of Nîmes of the Trencavel family from 1074 to his death.

Bernard Ato was the son of Raymond Bernard of Nîmes and Ermengarde of Carcassonne.

In 1125, Bernard Ato retook Carcassonne.

He married Cecilia, daughter of the William Bertrand of Provence, and had four daughters as well as three famous sons:

Bernard Ato V

Roger I

Raymond I Trencavel

His daughter Ermengard married Gausfred III of Roussillon.

Source: http://en.wikipedia.org/wiki/Bernard_Ato_IV

• Vescomte d'Albi (1074-1129)
• Vescomte de Nîmes (1074-1129)
• Vescomte de Carcassonne (1099-1129)
• Vescomte de Besiers (1099-1129)
• Vescomte d'Agde (1099-1129)
• Vescomte de Razès (1099-1129)