The Travolta’s were on holiday on Grand Bahama Island when the tragedy struck.
Jett Travolta had a medical history of suffering from seizures.
He was the eldest child of the actor and his actress wife, Kelly Preston.
Jett first became ill when he was just two years old and he was subsequently diagnosed as suffering from Kawasaki disease.
It is understood that family and other friends are with the grieving parents, John Travolta and Kelly Preston.
John Travolta first became a household name in the 1977 film Saturday Night Fever and he married Preston in 1991.
Obie Wilchcombe, a former tourism minister in the Bahamas, has said that an autopsy on the body of Jett Travolta will be performed on Monday.
