Counts of Celje | Los Arcos | Paço de Arcos | José María Guerrero de Arcos y Molina | Counts of Ortenburg | Counts of Eu | Cabinet of Three Counts | Arcos de la Frontera | Counts of Vianden | Counts of Schauenburg and Holstein | counts of Celje | Counts of Andechs | Counts and Dukes of Rethel | Counts and dukes of Rethel | Counts and Dukes of Nevers | Counts and Dukes of Guelders | Counts and Dukes of Alençon | Arcos de Valdevez | Alonso de Arcos |
In 1462, Alonso de Arcos, alcaide (Military Governor) of Tarifa, Rodrigo Ponce de León, son and heir of the Count of Arcos, and Juan Alonso de Guzmán, Duke of Medina Sidonia, attacked and gained control of the town of Gibraltar in the Eighth Siege of Gibraltar.