Ferguson, Robert, a notorious plotter, who took part in Monmouth's invasion in 1685 and was prominent in the various plots against Charles II. and James II., but after the Revolution turned Jacobite; published a history of the Revolution in 1706; died in poverty (about 1637-1714).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Ferguson, Patrick * Fergusson, James