en_tn/act/25/13.md

King Agrippa and Bernice

Agrippa was the current reigning king and Bernice was his sister. (See: rc://en/ta/man/translate/translate-names)

to pay an official visit to Festus

"to visit Festus concerning official matters"

A certain man was left behind by Felix as a prisoner

When Felix left office, he left a man in prison. (See: rc://en/ta/man/translate/figs-activepassive)