 Claudio Landi, Prince of Val di Taro, plotted with Giambattista Anguissola and Giammaria and Cammillo Scotti to assassinate Farnese, but the plot was discovered; Landi lost the Val di Taro, and the other conspirators were executed.Landi was stripped of his titles and his feudal status in 1578 and condemned to death in 1580.However, as a prince of the Holy Roman Empire, he was not subject to the judgement of ordinary courts.