1 Corinthians 4:15

Clement of Alexandria Stromata Book III

Rursus ad Corinthios scribens: "Si enim decies mille paedagogos," inquit, "habeatis in Christo, sed non multos patres. In Christo enim per Evangelium ego vosgenui."[188]

Clement of Alexandria Stromata Book V

For some procreate by the body, others by the soul; "since also with the barbarian philosophers to teach and enlighten is called to regenerate; and "I have begotten you in Jesus Christ,"[33]

Tertullian Against Marcion Book V

and not men promiscuously; thus exhibiting to us those who were the children of men truly so called, choice men, apostles. "For," says he, "I have begotten you through the gospel; "[360]

Tertullian On Monogamy

Grant, now, that Abraham is our father; grant, too, that Paul is. "In the Gospel," says he, "I have begotten you."[31]

Methodius Discourse III. Thaleia

and again, "In Christ Jesus I have begotten you through the Gospel."[33]