5 surviving letters between Justinian I and Theudebert I, spanning 534-541 AD.
To the most august and ever-victorious Emperor Justinian, greetings in Christ from Theudebert, king of the Franks,
To the most pious and victorious Emperor Justinian, king Theudebert sends greetings,
I write to inform you of operations undertaken by Frankish forces in the Italian theater, and to forestall any...
Justinian, the pious, the fortunate, the famous, the triumphant, the ever-augustus, to our beloved son Theudebert,...
The negotiations our ambassadors have conducted have been valuable but have not yet produced the resolution that...