Beatrix married Rainon I DECAEN Seigneur du Caylar, son of Raymond II DECAEN Seigneur d'Uzes & Posquieres and Marie D' UZÈS. (Rainon I DECAEN Seigneur du Caylar was born about 1110 in Uzes, Gard, Languedoc, France and died after 1156 in Cailar, Gard, Languedoc, France.)