FTP name this prince and noted figure of the English Civil Wars.
Although not thought of as an artist, he is credited with introducing the mezzotint into England.  Although not thought of as a naval figure, he commanded the remnants of his slain uncle's fleet, losing to Blake in the Mediterranean and turning to piracy in the Azores.  He is thought of, however, as a military leader on land, leading the Royalist cavalry at Marston Moor and Naseby.  FTP name this prince and noted figure of the English Civil Wars.
Although not thought of as an artist, he is credited with introducing the mezzotint into England.  
Prince Rupert of the Rhine or the Palatinate