Frank Sinatra Jr.'s Family Speaks Out About His Death

Sinatra died at age 72.

Born Francis Wayne Sinatra, he was the son of the great Frank Sinatra and a famed singer in his own right. Sinatra died of cardiac arrest while on tour. His family released a statement to ABC News about his death.

"The Sinatra Family mourn the untimely passing of their son, brother, father, uncle, Frank Sinatra, Jr., of cardiac arrest while on tour in Daytona, Florida," the statement read.

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