The family member Jett Travolta died at the age of 16. Here is all you want to know, and more!
Biography - A Short Wiki
Best known as the late son of actors John Travolta and Kelly Preston who died tragically after he hit his head during a seizure.
His parents gave birth to his younger sister Ella Bleu eight years after he was born. Then, after his death, his younger brother Benjamin was born in 2010.