Pandulf of Pisawas a twelfth century Italian Cardinal

Cardinal (Catholicism)

A cardinal is a senior ecclesiastical official, usually an ordained bishop, and ecclesiastical prince of the Catholic Church. They are collectively known as the College of Cardinals, which as a body elects a new pope. The duties of the cardinals include attending the meetings of the College and...

, and biographer of several contemporary popes; these biographies belonged to the Liber Pontificalis

Liber Pontificalis

The Liber Pontificalis is a book of biographies of popes from Saint Peter until the 15th century. The original publication of the Liber Pontificalis stopped with Pope Adrian II or Pope Stephen V , but it was later supplemented in a different style until Pope Eugene IV and then Pope Pius II...

. He was nephew of Hugo of Alatri. Works attributed to him appeared in the Rerum Italicarum scriptores by Ludovico Antonio Muratori

Ludovico Antonio Muratori

Ludovico Antonio Muratori was an Italian historian, notable as a leading scholar of his age, and for his discovery of the Muratorian fragment, the earliest known list of New Testament books....

; some of those attributions have been changed.

According to Robinson Pandulf's biography of Gelasius II is inaccurate in electoral details, and had a polemic purpose relating to the schism of 1130. Pandulf is thought to have been an intimate friend of Gelasius, and in the schism after 1130 supported antipope Anacletus II

Antipope Anacletus II

Anacletus II , born Pietro Pierleoni, was an Antipope who ruled from 1130 to his death, in a schism against the contested, hasty election of Pope Innocent II....

 against Innocent II. Anacletus named him cardinal-deacon of SS. Cosma e Damiano; as such, he signed the bulls of this antipope on February 8, 1131, December 7, 1134 and March 21, 1137.