Complex sentence: Born Publius Cornelius Scipio Nasica to Publius Cornelius Scipio Nasica Serapio and wife Licinia Crassa, he was adopted by his uncle by marriage and father's second cousin Quintus Caecilius Metellus Pius.
Split into simpler sentences: Born Publius Cornelius Scipio Nasica to Publius Cornelius Scipio Nasica Serapio and Licinia Crassa. He was adopted by his uncle by marriage and father's second cousin Quintus Caecilius Metellus Pius.