Metadata
Author: WikiMatrix
Data
English[en]
During the reigns of Roger II of Sicily and William II of Apulia conflict broke out between the two Norman principalities, first cousins through Roger and Robert respectively.
Spanish[es]
Durante los reinados de Roger II de Sicilia y Guillermo II de Apulia estalló el conflicto entre los dos principados normandos, primos hermanos, a través de Roger y Robert, respectivamente.