Patrick Swayze Love Child!

This look-alive crew up believing he was ghost star's secret son - Relatives.

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A MAN believed to be the late Patrick Swayze’s secret son has been found after a decadesold cover-up!

Now GLOBE has learned Jason Whittle, a 44-year-old Missouri father of three, is seeking a DNA test to find out whether he’s Swayze’s only child — conceived when his underage mom, Bonnie Kay, had a one-night stand with the Ghost hunk in the early 1970s.

Sources say if Jason’s DNA matches, he can make legal moves for a chunk of the Dirty Dancing legend’s $40 million legacy awarded to his wife, Lisa Niemi, in a controversial will an expert claims was forged!

“He could make a legal claim for his inheritance!” famed celebrity lawyer Raoul Felder tells GLOBE.

Adds a Swayze family source: “I hope he does pursue his rightful inheritance!”

There’s an ocean of bad blood between Swayze’s widow and his kin after she collected the Road House star’s ENTIRE estate based on a will Patrick was said to have signed just seven weeks before his 2009 cancer death. As GLOBE previously reported, a forensic expert declared the document a fake — and Patrick’s relatives ripped