Roman Catholic bishops in the Holy Roman Empire

Christian theologian, philosopher, and saint (354–430)

Polycarp (; , Polýkarpos; ; AD 69 155) was a Christian bishop of Smyrna. According to the Martyrdom of Polycarp, he died a martyr, bound and burned at the stake, then stabbed when the fire failed to consume his body. Polycarp is regarded as a saint and Church Father in the Eastern Orthodox Church, the Catholic Church, Oriental Orthodox Churches, Lutheranism, and Anglicanism.

Medieval prince-bishopric in Livonia