The following is excerpted from a post to soc.genealogy.medieval, 23 Nov 2001, by Nathaniel Taylor.
8. Bernard Ato I (& IV), d. 1129/30, vc Carcassonne, RasËs, BÈziers, Agde, Albi, & Nimes, ? Cecilia de Fourcalquier
.... (ES 3:132); issue:
.... Bernard Ato V, d. ca. 1159, vc Nimes & Agde, ? Guillerma of Montpellier;
........ issue of BA V & Guillerma: Bernard Ato VI, vc Agde & Nimes (ceded to Simon de Montfort, 1214).
.... Roger IV, dsp. 1150, vc Carcassone, RasËs, BÈziers & Albi; ? (1) Adelaida de PonÁ; ? (2) Bernarda of Comminges
.... Pagana
.... Matalina, ? (1) Guilhem Arnau de BÈziers, sr. de Tesan; ? (2) Bertrand I de la Tour dπAuvergne
.... Raimond Trencavel I, d. testate, 1167, vc Carcassonne, RasËs, BÈziers, Agde & Albi, who follows.
.... Lagina
.... Ermessenda, ? Rostaing II dπUzËs, baron de Pasquieres
.... Ermengarda, d. 1156, ? Gausfred II, c Roussillon (ES 3:138)
.... Mabilia, ? Centulle II of BÈarn, c Bigorre