Roger Ier Trencavel
- Born before 1097
- Deceased in 1150
Parents
- Bernard-Aton IV Trencavel (c. 1070 - 1129), chevalier, vicomte d'Albi, participant à la première croisade
- Cécile de Provence (1062 - 1150)
Family
- Married on April 28, 1139, with Bernarde de Comminges