The same for which, A.V. This is an improvement, as making it plain that it was Timothy, not his father, who was well reported of. For the phrase, ὅς ἐμαρτυοεῖτο see Acts 6:3; Acts 10:22; Luke 4:22.
At Lystra and Iconium; coupled together, as in 2 Timothy 3:11. It appears, too, from Acts 14:19, that there was close communication between Icouium and Lystra. The brethren at Iconium would, therefore, naturally know all about young Timothy.