AlgirdasmLithuanian Possibly means "all-hearing", from the Lithuanian roots al- "all, every" and gird- "to hear". This was the name of a 14th-century Grand Duke of Lithuania.
DaumantasmLithuanian From Lithuanian daug "much" combined with mantus "intelligent" or manta "property, wealth". This name was borne by a 13th-century Lithuanian ruler of Pskov who is venerated as a saint in the Eastern Orthodox Church.
GediminasmLithuanian Possibly from the Lithuanian roots ged- "to mourn, to long for" and min- "to think, to remember, to mention". This was the name of a 14th-century Grand Duke of Lithuania.
KęstutismLithuanian From Lithuanian kęsti meaning "to cope, to endure" combined with a diminutive suffix. This was the name of a 14th-century ruler of Lithuania.
MindaugasmLithuanian Possibly from Lithuanian mintis "thought" or minti "to remember" combined with daug "much". This was the name of a 13th-century ruler of Lithuania.
SigismundmGerman (Rare), Germanic Form of Sigmund in which the first element is sigis, an extended form of sigu. Saint Sigismund was a 6th-century king of the Burgundians. This was also the name of kings of Poland and a ruler of the Holy Roman Empire.
VytautasmLithuanian From the Lithuanian root vyd- "to see" or vyti "to chase, to drive away" combined with tauta "people, nation". This was the name of a 15th-century Grand Duke of Lithuania, revered as a national hero in that country.