Especially [because I know] thee to be expert in all customs and questions which are among the Jews: wherefore I beseech thee to hear me patiently.
Berean Study Bible (BSB) - Acts 26:3 >especially since you are acquainted with all the Jewish customs and controversies. I beg you, therefore, to listen to me patiently.
Textus Receptus (TR) - Acts 26:3 >μάλιστα γνώστην ὄντα σὲ πάντων τῶν κατὰ Ἰουδαίους ἐθῶν τε καὶ ζητημάτων· διὸ δέομαί σου, μακροθύμως ἀκοῦσαί μου.