Original: He was an illegitimate son of Gonzalo Pizarro Rodríguez de Aguilar (senior) (1446-1522) who as colonel of infantry served in the Italian campaigns under Gonzalo Fernández de Córdoba, and in Navarre, with some distinction.
Simplified: He was an illegitimate son of Gonzalo Pizarro Rodríguez de Aguilar (senior) who as colonel of infantry served in the Italian campaigns under Gonzalo Fernández de Córdoba, and in Navarre, with some distinction.