Bernard-Aton Ier Trencavel
- Born circa 875
- Deceased in 937, at the approximate age of 61 years
Parents
- Aton Ier Trencavel (c. 844 - 900), chevalier, vicomte d'Albi, vicaire d'Alzonne
- Avigerna d'Aurillac (c. 855 - aft. 900)
Family
- Married in 900, with Guillemette de Melgueil (c. 880 - aft. 937), issuing
- Aton II (c. 905 - 958)
Occupations
- vicaire d'Alzonne (918)