Apparently I'm decended from Muhammad... and so are you.

It seems that it's possible that every person in the Western World may be a decedent of Muhammad...and other notables.

blockquote.gifActress Brooke Shields has a pretty impressive pedigree — hanging from her family tree are Catherine de Medici and Lucrezia Borgia, Charlemagne and El Cid, William the Conquerer and King Harold, vanquished by William at the Battle of Hastings.
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      Shields also descends from five popes, a whole mess of early New England settlers, and the royal houses of virtually every European country. She counts renaissance pundit Niccolo Machiavelli and conquistador Hernando Cortes as ancestors.
      What is it about Brooke? Well, nothing — at least genealogically.
      Even without a documented connection to a notable forebear, experts say the odds are virtually 100 percent that every person on Earth is descended from one royal personage or another.