Short answers, pulled from the story.
Flavius Josephus was born Yosef ben Mattityahu in Jerusalem around the 37th year of the Common Era into a family at the apex of Jewish society. His father Matthias was a priest of the Jehoiarib order and his mother traced her lineage to the Hasmonean dynasty.
Flavius Josephus surrendered to the Roman general Vespasian after the Romans breached the walls of Yodfat in the lunar month of Tammuz during the thirteenth year of Nero's reign. He claimed to receive a divine revelation predicting that Vespasian would become Emperor of Rome when Vespasian was proclaimed emperor in the 69th year of the Common Era.
Flavius Josephus gained Roman citizenship and adopted the imperial family name of Flavius when Emperor Vespasian ascended to the throne in the 69th year of the Common Era. He became a close associate of Vespasian's son Titus and served as his translator during the siege of Jerusalem in the 70th year of the Common Era.
Flavius Josephus completed The Jewish War in the 78th year of the Common Era and Antiquities of the Jews around the 94th year of the Common Era. He also wrote Against Apion and an autobiography known as the Life to defend his conduct during the war.
Flavius Josephus was married four times and had three sons with his second wife and two sons with his third wife. Only Flavius Hyrcanus survived childhood while his other sons were Flavius Justus and Flavius Simonides Agrippa.
Flavius Josephus died around the 100th year of the Common Era after continuing to write and refine his works in his final years. His legacy shaped the understanding of the ancient world for centuries and influenced everything from Christian theology to modern archaeology.