Apelles. Masculine. Only here.. Greek name frequently adopted by Jews.
approved. the approved,. term pointing to one of tried excellence. See Romans 14:18.
Aristobulus. Only here.. Greek name.
household. Literally those from among the (ones) of Aristobulus. He himself may not have been. Christian, and those referred to may have been of his family, or slaves. Compare Philippians 1:4; Philippians 1:22.