How Did Koulis Stoligas Die?

Koulis (Ioannis) Stoligkas or Stoligas, was a Greek actor, one of the most loved stars in Greek cinema and played in several movies including Exo oi kleftes. He lived his final years away from the limelight with his two sisters and had no children. He was buried at the cemetery of Kokkinos Mylos in Nea Filadelfeia, Athens.