Vestralpus

Vestralpus (Vestralp) was an Alemannic petty king of the Bucinobantes in the 4th century AD. The Roman historian Ammianus Marcellinus reports that Julian crossed the Rhine at Mainz in 359 and concluded peace treaties with the Alemannic kings Vestralpus, Macrian, Hariobaudes, Urius, Ursicinus and Vadomarius after they had returned all Roman prisoners.