Analysis of information sources in references of the Wikipedia article "Colossae" in English language version.
[Quoting:] Those churches which claimed an apostolic foundation attached great importance to the maintenance of the teaching which they had originally received. There were powerful forces at work in many of them which militated against the maintenance of that teaching; chief among these were those tendencies which in a few decades blossomed forth in the elaborate systems of the various schools of Gnosticism. One form of incipient Gnosticism is the syncretistic angel-cult of nonconformist Jewish foundation and pagan superstructure attacked in the Epistle to the Colossians.
Colossæ was the home of...Onesimus and Epaphras, who probably founded the Church of Colossæ.
Of Colossæ, Philemon.
Besides St. Epaphras... Archippus and Philemon, especially the latter, are very doubtful.