21-year-old Kayley Gable is the granddaughter of Clark -- and though she could be considered Hollywood royalty, she's spending her nights with a less impressive crowd.
According to her MySpace fan page, she's also writing a book about her granddaddy ... who died four months before her father, John Clark Gable, was even born!
Clark Gable's Spawn Hanging with Ron Jeremy?!
3/26/2008 5:35 PM PDT BY TMZ STAFF
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