Rannagulzion is marked on Pont’s late 16th century map of Strathardle, Glenshee and Glenericht, as a castle named Ronnagallan (sometimes interpreted as Ronnagxallan due to an X appearing in the middle of the name). The text “good S. ramsay” appears next to the castle, presumably “Good Sir Ramsay”.
I have placed the site of it at High Rannagulzion or Rannagulzion Farm (not to be confused with Rannagulzion House, previously known as West Drimmie, to the south) pending further research.
Alternative names for Rannagulzion
High Rannagulzion; High Rannie; Mains of Rannaguillan; Mains of Rannagullian; Mains of Rannagulzion; Rannagallan; Rannagullan; Rannagullane; Rannagulzion Farm; Rannygullan; Ronnagallan; RonnagXallan; Runnagullane