Euin
... that the Lombard duke Euin had to twice defend the Duchy of Trent from the Franks, in 584 by battle and in 591 by diplomacy?
... that the <a href="./Lombards" id="mwAu8" rel="mw:WikiLink" title="Lombards">Lombard</a> duke <b id="mwAvA"><a href="./Euin" id="mwAvE" rel="mw:WikiLink" title="Euin">Euin</a></b> had to twice defend the <a class="mw-redirect" href="./Duchy_of_Trent" id="mwAvI" rel="mw:WikiLink" title="Duchy of Trent">Duchy of Trent</a> from the <a href="./Franks" id="mwAvM" rel="mw:WikiLink" title="Franks">Franks</a>, in 584 by battle and in 591 by diplomacy?