Gregory was the

Duke of Gaeta This is a list of the hypati, patricians, consuls, and dukes of Gaeta. Many of the dates are uncertain and sometimes the status of the rulership, with co-rulers and suzerain–vassal relations, is vague. Native rule (839–1032) Anatolian dynasty ...

from 963 until his death. He was the second son of

Docibilis II of Gaeta Docibilis II ( it, Docibile) ( 880 – c. 954) was the ruler of Gaeta, in one capacity or another, from 906 until his death. He was the son of the hypatus John I, who made him co-ruler in 906 or thereabouts. Docibilis took part in the Battle of G ...

and his wife Orania. He succeeded his brother

John II John II may refer to: People * John Cicero, Elector of Brandenburg (1455–1499) * John II Casimir Vasa of Poland (1609–1672) * John II Comyn, Lord of Badenoch (died 1302) * John II Doukas of Thessaly (1303–1318) * John II Komnenos (1087–1 ...

, who had left only daughters. Gregory rapidly depleted the ''publicum'' (public land) of the

Duchy of Gaeta The Duchy of Gaeta was an early medieval state centered on the coastal South Italian city of Gaeta. It began in the early ninth century as the local community began to grow autonomous as Byzantine power lagged in the Mediterranean and the penins ...

by doling it out to family members as grants. Gregory disappears from the records in 964 and was succeeded by his younger brother Marinus of Fondi over the heads of his three sons. It is possible that there was an internal power struggle between factions of the Docibilan family and that Gregory was forced out. On the other hand, perhaps he died and his sons fought a losing battle for their inheritance to Gaeta. His son Landolf was the progenitor of the counts of

Suio Suio is a ''frazione'' (rural borough) of Castelforte, a municipality in southern Latium, central Italy. Overview It is located on the northernmost slopes of the Monti Aurunci, near the Garigliano river, and is composed of two villages: Suio Paes ...

Sources

* Skinner, Patricia. ''Family Power in Southern Italy: The Duchy of Gaeta and its Neighbours, 850-1139''. Cambridge University Press: 1995.
{{s-end Dukes of Gaeta Year of birth unknown 978 deaths