St. Clement of Alexandria (d. AD 215): Church "fully receives husband of one wife whether he be priest or deacon or layman...such a one shall be saved in the begetting of children"

Source: https://www.catholiceducation.org/en/religion-and-philosophy/apologetics/celibacy-in-the-priesthood.html (17 Jan. 2020)

Excerpt:

Clement of Alexandria (d. 215) echoed St. Pauls teaching: "All the same, the Church fully receives the husband of one wife whether he be priest or deacon or layman, supposing always that he uses his marriage blamelessly, and such a one shall be saved in the begetting of children."