Sixtus Ii
SIXTUS II, successor of Stephanus I as bishop of Rome in 257, suffered martyrdom under Valerian on the 6th of August 258. He restored the relations with the African and Eastern Churches which had been broken off by his predecessor on the question of heretical baptism. Dionysius succeeded him.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)
