AVW. Jesus spoke Aramaic and probably Hebrew, which at the time was probably used mostly by Jewish Priests.
John would have spoken Aramaic and Koine Greek. Since he was in the Mediterranian world he used Koine Greek.
You may be interested in the link in my post #1,270
Thank you for your studious reply. Jews have preserved the writings - particularly the Torah for thousands of years. If you know anything about Sefer Torah scrolls, you will understand that the Hebrew was preserved - so I believe Yeshua did speak Hebrew in addition to Aramaic. John was a learned man reared in Jewish culture and Torah study, so he, too, would probably know and speak Hebrew. Can’t prove it in this instance, but thinking about it in relation to the “mark”, it causes me to ponder.