In plain words, ours
I, Joseph son of Matthias, a Hebrew and a priest, fought the Romans at first, and was then forced to watch what happened after.
Joseph, the son of Matthias, by birth a Hebrew, a priest also, and one who at first fought against the Romans myself, and was forced to be present at what was done afterwards, [am the author of this work].
Josephus, The Jewish War 1.1Translated by William Whiston (1737)Read the full passage (Josephus, The Jewish War 1.1, opens scaife.perseus.org)