Hugh Hefner died from a slew of health issues and cardiac arrest, RadarOnline.com has learned.
Radar obtained the Playboy mogul's death certificate, and can reveal that he died from a combination of a recent bout of E.coli and Septicemia and cardiac arrest. His certificate notes that his E.coli was "highly resistant to antibiotics."
His friends honored him in a private service earlier this week.
Hefner's wife, Crystal Harris, 31, and his four children, Christie, 64, David, 62, Marston, 27, and Cooper, 26, attended his funeral this past weekend.
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