Barbarossa (i.e. Red-beard), Horuk, a native of Mitylene; turned corsair; became sovereign of Algiers by the murder of Selim the emir, who had adopted him as an ally against Spain; was defeated twice by the Spanish general Gomarez and slain (1473‒1518).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Barbarossa * Barbarossa, Khair-Eddin