Namesakes for Janos

Namesakes for JANOS:
  Hungarian Kings and Queens: 2 kings
      King János I Zápolya   1526-1540  
      King János II Zsigmond Zápolya   1540-1571  

  Notable Philosophers and Thinkers: 1 mathematician
      John von Neumann (a.k.a. János)   1903-1957