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Frank Sinatra Jr. dead at 72

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Frank Sinatra Jr. performs on Oct. 9, 2010, in Beverly Hills, Calif. (Photo by Charley Gallay/Getty Images for Night Vision)

DAYTONA BEACH, Fla. — Frank Sinatra Jr., the son of the legendary singer who had a long musical career of his own, died Wednesday, his manager said.

He was 72.

The manager said Sinatra died at a Daytona Beach, Florida, hospital but didn’t disclose his cause of death.