Input (grade 13): In 1067 Carcassonne became the property of Raimond Bernard Trencavel, viscount of Albi and Nîmes, through his marriage with Ermengard, sister of the last count of Carcassonne.
Output (grade 10): In 1067 Carcassonne became the property of Raimond Bernard Trencavel, viscount of Albi and Nîmes.