By Eusebius of Caesarea
Of the family of the Lord there were still living the grandchildren of Jude, who is said to have been the Lord's brother according to the flesh.
Information was given that they belonged to the family of David, and they were brought to the Emperor Domitian (51-96 AD) by the Evocatus. For Domitian feared the coming of Christ as Herod also had feared it. And he asked them if they were descendants of David, and they confessed that they were. Then he asked them how much property they had, or how much money they owned. And both of them answered that they had only nine thousand denarii, half of which belonged to each of them.
And this property did not consist of silver, but of a piece of land which contained only thirty-nine acres, and from which they raised their taxes and supported themselves by their own labor.
Then they showed their hands, exhibiting the hardness of their bodies and the callousness produced upon their hands by continuous toil as evidence of their own labor.
And when they were asked concerning Christ and his kingdom, of what sort it was and where and when it was to appear, they answered that it was not a temporal nor an earthly kingdom, but a heavenly and angelic one, which would appear at the end of the world, when he should come in glory to judge the living and the dead, and to give unto every one according to his works.
Upon hearing this, Domitian did not pass judgment against them, but, despising them as of no account, he let them go, and by a decree put a stop to the persecution of the Church.
But when they were released they ruled the churches because they were witnesses and were also relatives of the Lord. And peace being established, they lived until the time of Trajan. These things are related by Hegesippus.
Tertullian also has mentioned Domitian in the following words: "Domitian also, who possessed a share of Nero's cruelty, attempted once to do the same thing that the latter did. But because he had, I suppose, some intelligence, he very soon ceased, and even recalled those whom he had banished."
But after Domitian had reigned fifteen years, and Nerva had succeeded to the empire, the Roman Senate, according to the writers that record the history of those days, voted that Domitian's honors should be cancelled, and that those who had been unjustly banished should return to their homes and have their property restored to them.
It was at this time that the apostle John returned from his banishment in the island and took up his abode at Ephesus, according to an ancient Christian tradition.
From Church History, Bk. 3, Ch. 20.