Roman Catholic Suburbicarian Diocese of Velletri–Segni


The Roman Catholic Suburbicarian Diocese of Velletri–Segni is one of the suburbicarian dioceses, Catholic dioceses in Italy close to Rome with a special status and a Cardinal Bishop, the bishop of Velletri–Segni. Historically, the see of Velletri was combined with the see of Ostia from 1060 to 1914.
In 1981, the diocese of Velletri was combined with the diocese of Segni. The Cardinal-Bishop is now the titular bishop of the diocese, while the diocesan bishop administers the diocese.

List of bishops


Bishops of Velletri and Segni




Bishops of Velletri


  • Adeodatus, 465
  • Bonifatius, 487
  • Silvano, 501
  • vacant
  • John I, 592
  • Potentinus, 649
  • Placentinus, 680
  • John II, 721
  • Gratiosus, 743
  • Gratian, 761
  • Citonatus, 761–769
  • Gregory I, 769–775
  • Theodore, 780
  • Gregory II 826–853
  • John III, 853–867
  • Gaudericus of Velletri, 867–879
  • John IV, 896–898
  • Leo I 946–963
  • Theobaldo 996–1027
  • Leo II, 1032–1038
  • Amato, 1044
  • Johannes 1050
  • Benedictus 1057
  • Johannes Mincius



Bishops of Ostia and Velletri



Bishops of Velletri-Segni




Cardinal-Bishops of Velletri-Segni





Diocesan Bishops of Velletri-Segni








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