Marquess of Castelldosrius
Marquess of Castelldosrius is a hereditary title in the Peerage of Spain, accompanied by the dignity Grandee and granted on 6 April 1696 by Charles II to Manuel de Oms y Santa Pau, knight of the Order of Malta, governor of Tarragona, viceroy and captain general of Mallorca, of Peru, of Tierra Firme and of Chile. The grandeeship was merged into the marquessate on 9 July 1701 by Philip V, later confirmed on 1 May 1703.
The title is currently held by Ágatha Ruiz de la Prada y Sentmenat, who also holds the title of Baroness of Santa Pau.
Marquesses of Castelldosrius
- Manuel de Oms y de Santa Pau, 1st Marquess of Castelldosrius
- Félix de Sentmenat-Oms y de Santa Pau, 2nd Marquess of Castelldosrius
- Juan Manuel de Sentmenat-Oms y de Santa Pau, 3rd Marquess of Castelldosrius
- Manuel de Sentmenat-Oms y de Santa Pau, 4th Marquess of Castelldosrius
- Francisco Javier Sentmenat Oms y Vera de Santa Pau, 5th Marquis of Castelldosrius
- Pedro Carlos de Sentmenat Oms y Vera de Santa, 6th Marquess of Castelldosrius
- Carlos de Sentmenat-Oms y de Santa Pau, 7th Marquess of Castelldosrius
- Ramón de Sentmenat y Sáenz-Ramírez, 8th Marquess of Castelldosrius
- Carlos de Sentmenat y Sentmenat, 9th Marquess of Castelldosrius
- Félix de Sentmenat y Güell, 10th Marquess of Castelldosrius
- Carlos de Sentmenat y Urruela, 11th Marquess of Castelldosrius
- Santiago de Sentmenat y Urruela, 12th Marquess of Castelldosrius
- Ágatha Ruiz de la Prada y Sentmenat, 13th Marchioness of Castelldosrius