I s**t you not. this is one of those "thast so f**king cool' stories that hollywood makes but never seem true. well heres one that is.
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Scott Reiniger, who appeared in the 1978 movie, is the great, great, great grandson of Josiah Harlan, the first American to set foot in Afghanistan.
As a result of a treaty Harlan signed, his heirs are granted the title Prince of Ghor in perpetuity.
Reiniger only found out his title after UK journalist Ben Macintyre published a book on his ancestor's life.
"My reaction initially was that it seemed incredibly surreal," Reiniger told BBC World Service's Outlook programme.
http://news.bbc.co.uk/2/hi/south_asia/3750931.stm