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

Frank Sinatra had three kids, daughters Nancy and Tina and son Frank Jr. with his ex-wife, Nancy Barbato Sinatra. Here is everything to know about Frank Sinatra's three children.

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. was a friend to Family Guy, and a friend to me. I'm saddened at his passing, but grateful to have known him. RIP, Frank. — Seth MacFarlane (@SethMacFarlane) March 17, 2016.

For most of his 53 years, crooner Frank Sinatra Jr. has lived his life and sung his songs in the shadow of the brilliant entertainer for whom he was named. What’s more, during the final years of ...

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 ...

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.

A couple of days after JFK’s November 1963 assassination, Barry Keenan led Frank Sinatra’s son, 19-year-old Frank Sinatra Jr., out of his hotel room in Lake Tahoe at gunpoint. He drove him to ...

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., 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 ...