Barbarossa, Khair-Eddin, brother and successor of the preceding; became viceroy of the Porte, made admiral under the sultan, opposed Andrea Doria, ravaged the coast of Italy, and joined the French against Spain; died at Constantinople in 1546.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Barbarossa * Barbaroux, Charles