Sien Hoornik [Edit]Is Sien Hoornik Dead or Still Alive? Sien Hoornik Birthday and AgeDK By deadorkicking.com Editorial Team Recently Passed Away Celebrities and Famous People.Sien Hoornik Death Fact CheckSien is alive and kicking.Please ignore rumors and hoaxes.If you have any unfortunate news that this page should be update with, please let us know using this form. Live Live Death Statistics Worldwide and The United StatesDEAD OR ALIVE? Stephen Hawking, Dead or Alive? Anthony Bourdain, Dead or Alive? Angela Lansbury, Dead or Alive? Steve Jobs, Dead or Alive? Ronnie Coleman, Dead or Alive? Mary Tyler Moore, Dead or Alive? Rihanna, Dead or Alive? Margot Robbie, Dead or Alive?