“Conmigo corre la cabeza peligro de quien no lo hace…”: The Common Fate of the Duke of Osuna and the Marquis of Charela

The process of the third Duke of Osuna involved a great variety of characters with whom he maintained some type of collaboration during his years as viceroy. One of these characters was the marquis of Charela, with whom Osuna not only shared common interests, but also misfortunes from the moment they both dediced to collaborate together. In this article, based in the analysis of a lawsuit held in 1623 over the whereabouts or nearly 50.000 escudos during the viceroralty of Osuna in Sicily, it is intended no only yo know how this collaboration between the two characters worked, but also to make visible a new form of study on the process of Osuna.