Family of Kęstutis

The family of Kęstutis (Lithuanian: Kęstutaičiai), Grand Duke of Lithuania (1381–1382), is listed here.

He co-ruled with his brother Algirdas from 1345 to 1377.

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Columns of Gediminids , an emblem of Kęstutis' ancestors, 1416
Coat of arms of Kęstutaičiai, used by Grand Duke Vytautas the Great during the Council of Constance in 1416
Flag of Vytautas the Great with a standing knight of Kęstutaičiai and Lithuanian Vytis (Waikymas) , used during the Council of Constance in the early 15th century