Bible Encyclopedias
Sixtus I

1911 Encyclopedia Britannica

I. (Xystus) was the sixth bishop of Rome (c. 116-125) and took the name on that account.

Bibliography Information
Chisholm, Hugh, General Editor. Entry for 'Sixtus I'. 1911 Encyclopedia Britanica. https://www.studylight.org/​encyclopedias/​eng/​bri/​s/sixtus-i.html. 1910.