Docibilis I of Gaeta
Docibilis I was the Hypatus of Gaeta from 867 until his death.
The sudden disappearance of the co-hypati Constantine and Marinus I after 866 suggests that Docibilis' assumption of power was violent. Wikipedia
Children: John I of Gaeta
Grandchildren: Docibilis II of Gaeta and Sigelgaita of Gaeta
Great grandchildren: John II of Gaeta, Marinus II of Gaeta, and Gregory of Gaeta
Partner: Matrona of Gaeta