Background
He was the son of Orazio Ludovisi, patrician of Bologna and commander-in-chief of the Papal Army (as well as brother of Pope Gregory XV), and Lavinia Albergati.
He was the son of Orazio Ludovisi, patrician of Bologna and commander-in-chief of the Papal Army (as well as brother of Pope Gregory XV), and Lavinia Albergati.
Not to be confused with Cardinal Niccolò Albergati-Ludovisi He was the nephew of later-Cardinal Niccolò Albergati-Ludovisi.