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.
Vaiva Vaiva is a Lithuanian female given name of Baltic origin. It is a shortening of "vaivorykštė" (English rainbow). A rainbow was considered one of the manifestations of the Pagan destiny goddess Laima. Vaiva's father, according to Baltic mythology, is Perkūnas. The name was popularised by V.Krėvė-Mickevičius tale "Perkūnas, Vaiva ir Straublys" written in 1922.