Bonivard, François de, a Genevese patriot and historian, twice imprisoned by Charles III., a Duke of Savoy, for his sympathy with the struggles of the Genevese against his tyranny, the second time for six years in the Castle of Chillon; immortalised by Lord Byron in his “Prisoner of Chillon”; he was released at the Reformation, and adopted Protestantism (1496-1571).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Bonington, Richard * Bonn