Post finem Phraatis et sequentium regum ob internas caedis venere in urbem legati a primoribus Parthis, qui Vononem vetustissimum liberorum eius accirent.
Translation :
After the death of Phraates and the succeeding kings in the bloodshed of civil wars, there came to Rome envoys from the chief men of Parthia, in quest of Vonones, his eldest son.
Edition :
Annales ab excessu divi Augusti. Cornelius Tacitus. Charles Dennis Fisher. Clarendon Press. Oxford. 1906.
Complete Works of Tacitus. Tacitus. Alfred John Church. William Jackson Brodribb. Sara Bryant. edited for Perseus. New York. : Random House, Inc. Random House, Inc. reprinted 1942.
