It was confirmed that Frank Sinatra Jr., the son of the iconic singer Frank Sinatra, died of a heart attack Wednesday while on tour in Daytona Beach, Florida. The singer was 72 years-old at the time of his death. Sinatra Jr. was scheduled to perform in St. Petersburg, Florida, he would then continue his tour through October.

News of Sinatra’s death was first reported by the Associated Press, the outlet was the first to received a statement from Sinatra’s family citing cardiac arrest as the cause of death. Sinatra Jr. was married in 1998, but that marriage ended in a divorce in 2000. He is survived by his son, Michael.

Frank Sinatra Sr. died in 1998, before his death Sinatra Jr. worked as his father’s musical director and even stood-in as a conductor at times. Following in his father’s footsteps, Sinatra Jr. released his first album in 1965 called “Young Love for Sale.” Sinatra Jr. would go on to create a fantastic musical career, that continued right up until to his death. Frank Sinatra also died of a heart-attack, at the age of 82.

As a young child, Sinatra Jr. made headlines after he was kidnapped while his father was away filming. Sinatra Sr. paid the ransom, and Sinatra Jr. was returned safely. Sinatra Jr. had two siblings, Nancy Sinatra and Tina Sinatra, Sinatra Jr. was the middle child. Nancy Barbato Sinatra was Frank Sinatra’s first wife, and the biological mother to all three children.

Sinatra Jr. was frequently on television, appeared in movies and seemed to enjoy being an actor/musician like his father. Sinatra Jr. appeared in such shows “Family Guy,” “The Love Boat” and “Marcus Welby, M.D.”.