The following is excerpted from a post to soc.genealogy.medieval, 23 Nov 2001, by Nathaniel Taylor.
9. Raimond Trencavel I, d. testate, 1167, vc Carcassonne, RasËs, BÈziers, Agde & Albi, ? (1) Adalaida; ? (2) Saura; issue:
.... (by 1) Cecilia ? Roger Bernard, c Foix (ES 3:145N-146)
.... (by 2) Adelaida ? Sicard, vc Lautrec
.... Roger V, d. 1194, vc Carcassonne, RasËs, Albi, BÈziers, who follows.
.... Raimond Trencavel II, vc Carcassonne, RasËs, BÈziers, Albi.
.... Beatrix, ? Raimond VI, c Toulouse (ES 3:764).
Note: The lineage I am following has Adelaide as a daughter by the 1st wife, and m. to Guillaume de Forcalquier.