Brief on behalf of José Antonio Marimón Boil Fernández de Velasco, Marquis of Serdañola and Count of La Revilla, versus Manuel Fulgencio Ramirez de Arellano Burgos Herrera, Count of Murillo and Peñarrubia, concerning certain inheritance rights in the estate of Joaquín María Ramón Portocarrero, Duke of Nágera. [September 22, 1777]. [Contains family tree of Sancho Sánchez de Velasco's family].