Pope John X
Reigned from 914 to 928.
Born in Tossignano, Italy; died at Rome, Italy.
He was a deacon, then Archbishop of Ravenna.
An active and energetic ruler he crowned Emperor Berengarius, 915; endeavored to end the Saracenic invasions; sought to bring the Slavs of Dalmatia into closer union with Rome; and was active in ecclesiastic and political affairs in Italy, Germany, and France.
He was seized and incarcerated by the powerful Marozia of Rome, daughter of Theophylactus, who feared that her power was menaced by the alliance which he had contracted with her enemy, Hugh of Burgundy.
New Catholic Dictionary