COULD FIDEL CASTRO BE OF KYTHERIAN ORIGIN?

Rumour has it that a certain antique dealer located in Hora some years ago, now mysteriously untraceable, who spent ten years in Cuba, claimed that the grandfather of Fidel Castro, the brain and leader of the Cuban revolution, co freedom fighter of Che Guevara and President of Cuba, originally came from the Kytherian village of Friligianika...
Anyone who has anything to add to or oppose this statement please contact me.