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A screen bears three pictures, at left, the skull of French King Henri IV (1553-1610) and at right, its reconstruction, during a press conference in Paris on February 12, 2013. This reconstruction was made three years after a panel of forensic scientists identified the skull of the king who was murdered at the age of 57 on May 14, 1610, by a fanatic. Scientists headed by France's Philippe Charlier found a common genetic profile between the mummified head of Henri IV and dried blood from his descendant, Louis XVI. AFP PHOTO LOIC VENANCE (Photo credit should read LOIC VENANCE/AFP/Getty Images)

A screen bears three pictures, at left, the skull of French King Henri IV (1553-1610) and at right, its reconstruction, during a press conference in Paris on February 12, 2013. This reconstruction was made three years after a panel of forensic scientists identified the skull of the king who was murdered at the age of 57 on May 14, 1610, by a fanatic. Scientists headed by France's Philippe Charlier found a common genetic profile between the mummified head of Henri IV and dried blood from his descendant, Louis XVI.   AFP PHOTO LOIC VENANCE        (Photo credit should read LOIC VENANCE/AFP/Getty Images)