Apelles (Απελλην). A name among Jews and a famous tragic actor also.

The approved (τον δοκιμον). The tried and true (1. Corinthians 11:19; 2. Corinthians 10:18; 2. Corinthians 13:7).

Them which are of the household of Aristobulus (τους εκ των Αριστοβουλου). The younger Aristobulus was a grandson of Herod the Great. Lightfoot suggests that some of the servants in this household had become Christians, Aristobulus being dead.