Rumbaudas Valimantaitis (; died in 1432) was an influential Lithuanian noble of Zadora coat of arms. He was a son of Valimantas and brother of Mykolas Kęsgaila. He became Elder of Samogitia (1409–1411) and Grand Marshal (1412–1432). He first appears in written sources as a witness to the Pact of Vilnius of January 1401. His patrimony was in Deltuva, but he also had possessions in

Samogitia Samogitia, often known by its Lithuanian language, Lithuanian name ''Žemaitija'' (Samogitian language, Samogitian: ''Žemaitėjė''; see Samogitia#Etymology and alternative names, below for alternative and historical names) is one of the five ...

and

volost Volost (; ; ) was a traditional administrative subdivision in Kievan Rus', the Grand Duchy of Moscow, and the Russian Empire. History The '' Brockhaus and Efron Encyclopedic Dictionary'' (1890–1907) states that the origins of the concept is unc ...

of Svislach. In 1409, he became Elder of Samogitia and instigated the Second Samogitian Uprising on orders of

Vytautas Vytautas the Great (; 27 October 1430) was a ruler of the Grand Duchy of Lithuania. He was also the prince of Grodno (1370–1382), prince of Lutsk (1387–1389), and the postulated king of the Hussites. In modern Lithuania, Vytautas is revere ...

Grand Duke of Lithuania This is a list of Lithuanian monarchs who ruled Lithuania from its inception until the fall of the Grand Duchy of Lithuania in 1795. The Lithuanian monarch bore the title of Grand duke, Grand Duke, with the exception of Mindaugas, who was crown ...

. The uprising grew into the

Polish–Lithuanian–Teutonic War The Polish–Lithuanian — Teutonic War, also known as the Great Teutonic War, occurred between 1409 and 1411 between the Teutonic Knights and the allied History of Poland (1385–1569), Kingdom of Poland and Grand Duchy of Lithuania. Inspired ...

and it is believed that Rumbaudas commanded Samogitian troops in the

Battle of Grunwald The Battle of Grunwald was fought on 15 July 1410 during the Polish–Lithuanian–Teutonic War. The alliance of the Crown of the Kingdom of Poland and the Grand Duchy of Lithuania, led respectively by King Władysław II Jagiełło (Jogaila), a ...

(1410). After the war, he became Grand Marshal of Lithuania while his brother Mykolas Kęsgaila became Elder of Samogitia. In 1413, he was among Lithuanian nobles negotiating the status of Samogitia with Benedict Makrai, a mediator appointed by

Sigismund of Luxemburg Sigismund of Luxembourg (15 February 1368 – 9 December 1437) was Holy Roman Emperor from 1433 until his death in 1437. He was elected King of Germany (King of the Romans) in 1410, and was also King of Bohemia from 1419, as well as prince-elect ...

. In 1422, he witnessed the

Treaty of Melno The Treaty of Melno (; ) or Treaty of Lake Melno () was a peace treaty ending the Gollub War. It was signed on 27 September 1422, between the State_of_the_Teutonic_Order, Teutonic Knights and an alliance of the Kingdom of Poland (1385–1569), Kin ...

. In 1422/1423 he is mentioned as Elder of

Vitebsk Vitebsk or Vitsyebsk (, ; , ; ) is a city in northern Belarus. It serves as the administrative center of Vitebsk Region and Vitebsk District, though it is administratively separated from the district. As of 2025, it has 358,927 inhabitants, m ...

. In 1429–1430, he was sent to Poland to negotiate coronation of Vytautas as

King of Lithuania This is a list of Lithuanian monarchs who ruled Lithuania from its inception until the fall of the Grand Duchy of Lithuania in 1795. The Lithuanian monarch bore the title of Grand Duke, with the exception of Mindaugas, who was crowned king in 1 ...

. After the death of Vytautas and during the Lithuanian Civil War (1431–1435), Rumbaudas was taken captive by the Poles, but was released. He first supported

Sigismund Kęstutaitis Sigismund Kęstutaitis (, ; 136520 March 1440) was Grand Duke of Lithuania from 1432 to 1440. Sigismund was his baptismal name, while his pagan Lithuanian birth name is unknown. He was the son of Grand Duke Kęstutis and his wife Birutė. Aft ...

. After the coup against

Švitrigaila Švitrigaila (before 1370 – 10 February 1452; sometimes spelled Svidrigiello) was the Grand Duke of Lithuania from 1430 to 1432. He spent most of his life in largely unsuccessful dynastic struggles against his cousins Vytautas and Sigismund K� ...

in August 1432, Sigismund even appointed Jaunius, brother of Rumbaudas, as

Voivode of Vilnius The Voivode of Vilnius (, ) was a high-ranking Voivode#Commonwealth of Poland–Lithuania, officer in the Grand Duchy of Lithuania who governed the Vilnius Voivodeship from 1413. He was considered as the most influential member of the Lithuanian Co ...

. However, already at the end of 1432, Rumbaudas participated in a failed plot against Sigismund. For that he and Jaunius were executed. Only one son of Rumbaudas is known, Michael, who was mentioned in written sources only once and did not participate in politics.

References

{{Grand Marshals of Lithuania 1432 deaths 15th-century Lithuanian nobility Elders of Samogitia Grand Marshals of the Grand Duchy of Lithuania People in the Battle of Grunwald Year of birth unknown Executed Lithuanian people