Seth MacFarlane tells PEOPLE about his surprising connection to Frank Sinatra, along with how he acquired his lost archive.

Sinatra Jr. respected. Pianist Frank Leone, president of Las Vegas Musicians' Union No. 369, has grown familiar with Sinatra Jr.'s work over the years. "Our players love him," Leone said.

Frank Sinatra Jr. died Wednesday at age 72. This story was originally published Oct. 10, 2015. Frank Sinatra’s son has a cold. Well, not quite — he’s coughing. Just a few seconds and he’ll ...

Frank Sinatra Jr., son of the legendary singer, died of a heart attack Wednesday while on tour in Daytona Beach, Florida. He was 72. His death was confirmed by the Associated Press, which received ...

Frank Sinatra Jr., son of the famous "Ol' Blue Eyes" Frank Sinatra, died Wednesday while on tour in Daytona Beach, Fla., according to a statement the Sinatra family made to the Associated Press.

Frank Sinatra's son, Frank Jr., poses in front of a new stamp paying tribute to his father, in Beverly Hills, California, in December 2007. Getty ...

In 1963, Frank Sinatra Jr. was kidnapped at age 19 from a hotel room in Lake Tahoe, California. After being held for two days, his father paid $240,000 in ransom and he was released.

Frank Sinatra Jr., who carried on his famous father's legacy with his own music career and whose kidnapping as a young man added a bizarre chapter to his father's legendary life, died Wednesday.

Frank Sinatra Jr., son of Ol' Blue Eyes, dies Sinatra Jr. passed away Wednesday, March 16 of sudden cardiac arrest in Daytona Beach, Fla., where his tour, Sinatra Sings Sinatra, was scheduled to play.

Frank Sinatra Jr. will take the Blue Note stage for the first time in late May to sing the songs of his father, the late great vocalist Frank Sinatra Sr., as he remembers them.

Frank Sinatra Jr., who died Wednesday of a heart attack at 72, charted an even rockier middle course. “I was never a success,” he told The Washington Post’s Wil Haygood in 2006.

LOS ANGELES — Frank Sinatra Jr., who carried on his famous father’s legacy with his own music career and whose kidnapping as a young man added a bizarre chapter to his father’s legendary ...