Jan Calveit – Emperor of Nilfgaard. He ascended to the throne in 1301, succeeding Morvran Voorhis. He rehabilitated oppontents of Morvran Voorhis and Peter Evertsen. His adviser was Dominic Bombastus Houvenaghel appointed to this position in 1301 but died in the same year. The description of his continued rule is not known.