Gregory II (died 1058) was the son of

Alberic III, Count of Tusculum Alberic III (died 1044) was the Count of Tusculum, along with Galeria, Preneste, and Arce, from 1024, when his brother the count Roman was elected Pope John XIX, until his own death. He was a son of Gregory I and Maria, brother of Popes Benedict ...

and Ermelina. He was the

Count of Tusculum The counts of Tusculum, also known as the Theophylacti, were a family of secular noblemen from Latium that maintained a powerful position in Rome between the 10th and 12th centuries. Several popes and an antipope during the 11th century came from ...

and the

Lateran 250px, Basilica and Palace - side view Lateran and Laterano are the shared names of several buildings in Rome. The properties were once owned by the Lateranus family of the Roman Empire. The Laterani lost their properties to Emperor Constantine ...

(''Lateranensis et Tusculanensis comes'') from 1044 to his death. The ''Chronicon Monasterii Casinensis'' of

Leo of Ostia Leo Marsicanus (meaning "of the Marsi") or Ostiensis (meaning "of Ostia"), also known as Leone dei Conti di Marsi (1046, Marsica – 1115/7, Ostia), was a nobleman and monk of Monte Cassino around 1061 and Italian cardinal from the 12th cent ...

records him as ''Gregorius de Alberico''. The placement of this passage implies his death around 1058. Like his many forefathers, he carried the illustrious title of ''Romanorum patricius, consul, dux et senator'' ("Patrician, consul, duke, and senator of the Romans"), implying his secular command over Rome and its militia. His dual comital title implied his land- and fortress-holding power in both Rome itself and Tusculum, as supported by his alliance with the

Papacy The pope ( la, papa, from el, πάππας, translit=pappas, 'father'), also known as supreme pontiff ( or ), Roman pontiff () or sovereign pontiff, is the bishop of Rome (or historically the patriarch of Rome), head of the worldwide Cathol ...

. In 1044, he led the expedition to restore his brother,

Pope Benedict IX Pope Benedict IX ( la, Benedictus IX; c. 1012 – c. 1056), born Theophylactus of Tusculum in Rome, was the bishop of Rome and ruler of the Papal States on three occasions between October 1032 and July 1048. Aged approximately 20 at his first ele ...

. Before 1054, when he is last attested, Gregory had three sons and a daughter. His daughter, Theodora, married Pandulf (or Landulf), lord of

Capaccio Capaccio Paestum (formerly only Capaccio) is a town and ''comune'' in the province of Salerno in the Campania region of south-western Italy. The ruins of the ancient Greek city of Paestum lie within borders of the ''comune''. History Geograp ...

(1040–1052), son of

Guaimar III of Salerno Guaimar III (also ''Waimar'', ''Gaimar'', ''Guaimaro'', or ''Guaimario'' and sometimes numbered Guaimar IV) (c. 983 – 1027×31) was the Lombard prince of Salerno from around 994 to his death. Under his reign, Salerno entered an era of great splen ...

and

Gaitelgrima {{Unreferenced, date=December 2009 Gaitelgrima is a Lombard feminine name. There are several notable Gaitelgrimas in history. The identities of these six women (as well as some others of the same name) are often confused because they were all cl ...

and brother of Guaimar IV, with whom he was assassinated. Gregory's sons John and Peter died young, but his youngest son, Gregory III, succeeded him.

Sources

Foundation of Medieval Genealogy: Northern Italy — 21. Counts of Tusculum.
1058 deaths People of medieval Rome 11th-century Italian nobility Medieval Roman consuls Year of birth unknown Counts of Tusculum