Gregory II was the son of Alberic III, Count of Tusculum

Alberic III, Count of Tusculum

Alberic III 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...

 and Ermelina. He was the Count of Tusculum and the Lateran

Lateran

Lateran and Laterano are the shared names of several architectural projects throughout Rome. The properties were once owned by the Lateranus family of the former Roman Empire...

 (Lateranensis et Tusculanensis comes) from 1044 to his death.

The Chronicon Monasterii Casinensis of Leo of Ostia

Leo of Ostia

Leo Marsicanus or Ostiensis , also known as Leone dei Conti di Marsi , was a nobleman and monk of Monte Cassino around 1061 and Italian cardinal from the twelfth century.In Monte Cassino, he became a friend of Desiderius of Benevento, later Pope Victor III, and it was to him that Leo dedicated...

 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. In 1044, he led the expedition to restore Pope Benedict IX

Pope Benedict IX

Pope Benedict IX , born Theophylactus of Tusculum, was Pope on three occasions between 1032 and 1048. One of the youngest popes, he was the only man to have been Pope on more than one occasion and the only man ever to have sold the papacy.-Biography:Benedict was born in Rome as Theophylactus, the...

.

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

Capaccio is a town and comune in the province of Salerno in the Campania region of south-western Italy. The ruins of the ancient city of Paestum lie within borders of the comune.-Airport:...

 (1040–1052), son of Guaimar III of Salerno

Guaimar III of Salerno

Guaimar III was duke of Salerno from around 994 to his death. His date of death is sometimes given as 1030 or 1031, but the most reliable sources consistently indicate 1027. Under his reign, Salerno entered an era of great splendour...

 and Gaitelgrima

Gaitelgrima

Gaitelgrima is a Lombard feminine name. There are several notable Gaitelgrimas in history. The identities of these four women are often confused because they were all closely related to each other and to two men: Guaimar III of Salerno and his son, Guaimar IV, whose enumeration is often altered...

 and brother of Guaimar IV

Guaimar IV of Salerno

Guaimar IV was Prince of Salerno , Duke of Amalfi , Duke of Gaeta , and Prince of Capua in Southern Italy over the period from 1027 to 1052. He was an important figure in the final phase of Byzantine authority in the Mezzogiorno and the commencement of Norman power...

, with whom he was assassinated. Gregory's sons John and Peter died young, but his youngest son, Gregory III

Gregory III, Count of Tusculum

Gregory III was the son of Gregory II. He was the Count of Tusculum from 1058, when his father died. He is usually considered to stand at the fore of the family of the Colonna....

, succeeded him.

Sources

• Foundation of Medieval Genealogy: Northern Italy — 21. Counts of Tusculum.