What is the name of the Baltic tribe duke known as King Vester?
Semigallians Semigallians (Latvian "Zemgaļi"; Lithuanian: "Žiemgaliai" , also Zemgalians, Semigalls, Semigalians) were the Baltic tribe that lived in the southcentral part of contemporary Latvia and northern Lithuania. They are noted for their long resistance (1219–1290) against the German crusaders and Teutonic Knights during the Northern Crusades.
Gunther Gunther (Gundahar, Gundahari, Latin "Gundaharius", "Gundicharius", or "Guntharius", Old English "Gūðhere", Old Norse "Gunnarr", anglicised as "Gunnar", d. 437) was a historical King of Burgundy in the early 5th century. Legendary tales about him appear in Latin, medieval Middle High German, Old Norse, and Old English texts, especially concerning his relations with Siegfried (Sigurd in Old Norse) and his death by treachery in the hall of Attila the Hun.