The church that is in their house (thn kat oikon autwn ekklhsian). The early Christians had no church buildings. See also Acts 12:2 ; 1 Corinthians 16:19 ; Philemon 1:2 ; Colossians 4:15 . The Roman Christians had probably several such homes where they would meet. Epainetus (Epaineton). Nothing is known of him except this item, "the first-fruits of Asia" (aparch th Asia). An early convert from the province of Asia. Cf. Acts 2:9 ; 1 Corinthians 16:15 (about Stephanus and Achaia).