817 |Paschal I | } | 824 |Eugenius | } | 827 |Valentinus | } | 827 |Gregory IV | } | | |Lothair I } | 840 844 |Sergius II | } | 847 |Leo IV | } | 855 |Benedict III |Lewis II } | 855 855 |Anastasius (Anti-pope) | } | 858 |NICHOLAS I | } | 867 |Hadrian II | } | 872 |John VIII | } | | |Charles II } | | | (the Bald) } | 875 | |Charles III } | | | (the Fat) } | 881 882 |Martin II | | 884 |Hadrian III | | 885 |Stephen V | | 891 |Formosus |Guido }[3] Italians| 891 | |Lambert } | 894 896 |Boniface VI |Arnulf, German | 896 896 |Steven VI | | 897 |Romanus | | 897 |Theodore II | | 898 |John IX | | 900 |Benedict IV | | | |Lewis III (of Provence) | 901 903 |Leo V | | 903 |Christopher | | 904 |Sergius III | | 911 |Anastasius III | | 913 |Lando | | 914 |John X | | | |Berengar, Italian | 915 928 |Leo VI | | 929 |Stephen VII | | 931 |John XI | | 936 |Leo VII | | 939 |Stephen VIII | | 941 |Martin III | | 946 |Agapetus II | | 955 |John XII | |