Paul's habit, when using ὁ ἀδελφός brother with a proper name, is to put the proper name first. See Rom 16:23; 1Co 1:1; 1Co 16:12; 2Co 1:1; 2Co 2:13; Phi 2:25.
Set at liberty (ἀπολελυμένον)
Nothing is known of the fact referred to. Ἁπολύειν of releasing from confinement, Mat 27:15; Joh 19:10; Act 3:13; Act 4:21, Act 4:23; Act 5:40.