Roman History, book xlix, c.22
"These people [the Jews] Antony entrusted to a certain Herod to govern; but Antigonus he bound to a cross and scourged, a punishment no other king had suffered at the hands of the Romans, and so slew him."
Because the Josephan writer does not mention Antigonus being bound to a cross prior to being beheaded - Cassius Dio' statement has been questioned.Josephus: Ant.book.15.
When Antony had taken Antigonus prisoner, he decided to keep him for his triumph, but when he heard how the nation was still rebellious and in their hatred for Herod, still favoured Antigonus, he decided to behead him in Antioch, for in no other way could the Jews be pacified.
However, there is now a new interpretation of documents from Qumran by Greg Doudna. A new interpretation that seeks to identify the Wicked Priest of these documents as Antigonus - who was hanged alive.
Qumran Revisited: a Reassessment of the Archaeology of the Site and its Texts
http://asorblog.org/?p=6550
A pdf article by Doudna:
ALLUSIONS TO THE END OF THE HASMONEAN DYNASTY
IN PESHER NAHUM (4Q169)
http://scrollery.com/wp-content/uploads ... 59-278.pdf
[my bolding]The major objection raised in secondary literature to this reading
of Pesher Nahum, as alluding to a doomed ruler of Israel hung up
alive, has actually been a non-textual reason: a perception that nothing
corresponds with such an image in known history. Was there ever a
Jewish ruler, a Hasmonean king or high priest, in the era of these texts
who was hung up alive? Actually, there was.
.....
Antigonus Mattathias was captured in Jerusalem and killed by gentiles in a foreign country.
And of particular interest in light of the allusion in Pesher Nahum is
the fact that Cassius Dio, the Roman historian, says that Antigonus
Mattathias was hung up alive on a cross and tortured in the process of
being executed by Mark Antony. In his death at the hands of gentiles
Antigonus Mattathias corresponds with the portrayal of the death of
the Wicked Priest, and Antigonus Mattathias is the only Hasmonean
ruler of the first century bce who does.
And so it seems to me that the wicked ruler of these texts reflects
Antigonus Mattathias, and that the Lion of Wrath alludes to Mark
Antony who hung up alive Antigonus...
Doudna has contributed to the book:
Qumran Revisited: A Reassessment of the Archaeology of the Site and its Texts (British Archaeological Reports International Series)
Did the gospel writers used the historical crucifixion, the hanging on a cross, of Antigonus, for their pseudo-historical crucifixion story of their gospel Jesus? With Greg Doudna' interpretation of the Qumran documents - the plausibility that that is indeed what they have done is considerable.....