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 .