Beaufort, Duke of, grandson of Henry IV. of France; one of the chiefs of the Fronde; was surnamed Roi des Halles (King of the Market-folk); appointed admiral of France; did good execution against the pirates; passed into the service of Venice; was killed at the siege of Candia in 1669.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Beauclerk, Topham * Beaufort, Henry