Noun
(Christianity) any of about 70 theologians in the period from the 2nd to the 7th century whose writing established and confirmed official church doctrine; in the Roman Catholic Church some were later declared saints and became Doctor of the Church; the best known Latin Church Fathers are Ambrose, Augustine, Gregory the Great, and Jerome; those who wrote in Greek include Athanasius, Basil, Gregory Nazianzen, and John Chrysostom
Source: WordNetAs late as the 4th century Church Father John Chrysostom complained that some Christians were still attending Jewish synagogues. Source: Internet
The Church Father Origen (c. 185 to 254 AD) knows the forms Nazará and Nazarét. Source: Internet