Well supposedly King Edward VII ("Uncle Bertie") was an article from wikipedia: Freemason
An active Freemason throughout his adult life, Edward VII was installed as Grand Master in 1874, giving great impetus and publicity to the fraternity. He regularly appeared in public, both at home and on his tours abroad, as Grand Master, laying the foundation stones of public buildings, bridges, dockyards, and churches with Masonic ceremony. His presence ensured publicity, and reports of Masonic meetings at all levels appeared regularly in the national and local press. Freemasonry was constantly in the public eye, and Freemasons were known in their local communities. Edward VII was one of the biggest contributors to the fraternity