β Biography
Pope Sixtus I (Greek: ΣίξΟΞΏΟ), also spelled Xystus, a Roman of Greek descent, was the bishop of Rome from c. 117 or 119 to his death c. 126 or 128. He succeeded Alexander I and was in turn succeeded by Telesphorus. His feast is celebrated on 6 April.
Roman noble. Established the rule that only a bishop could consecrate a bishop. Instituted prayers for catechumens. Martyred under Hadrian.