Bolesław Januszowic (; 1385/86 – ca. 4 May 1424
etrieved 11 January 2015), was a Polish prince and member of the

House of Piast The House of Piast was the first historical ruling dynasty of Poland. The first documented List of Polish monarchs, Polish monarch was Duke Mieszko I of Poland, Mieszko I (–992). The Poland during the Piast dynasty, Piasts' royal rule in Pol ...

. He was the second son of Duke

Janusz I of Warsaw Janusz I of Warsaw (pl: ''Janusz I warszawski''), also known as Janusz I the Old (pl: ''Janusz I Starszy'') (c. 1347/52 – 8 December 1429), was a Polish prince member of the House of Piast in the Dukes of Masovia, Masovian branch, from 1373/74 D ...

and

Danutė of Lithuania Danutė of Lithuania (baptized ''Anna''; – 26 November 1424), was a Lithuanian princess of the Gediminids, Gediminid dynasty and by marriage Duchess of Warsaw. She was a daughter of Kęstutis, Grand Duke of Lithuania, and his second wife, Biru ...

, a daughter of

Kęstutis Kęstutis ( – 3 or 15 August 1382) was sole Duke of Trakai from 1342 to 1382 and List of Lithuanian monarchs, Grand Duke of Lithuania from 1342 to 1382, together with his brother Algirdas (until 1377), and with his nephew Jogaila (from 1377 to ...

Life

From an early age he was prepared to take over the government in Masovia, alongside his older brother Janusz the Younger. In 1409 he was sent by his father at the head of a retaliatory expedition against the

Teutonic Order The Teutonic Order is a religious order (Catholic), Catholic religious institution founded as a military order (religious society), military society in Acre, Israel, Acre, Kingdom of Jerusalem. The Order of Brothers of the German House of Sa ...

, culminating with the conquest and burning of

Działdowo Działdowo (; , ) is a town in northern Poland with 20,935 inhabitants as of December 2021, the capital of Działdowo County. As part of Masuria, it is situated in the Warmian-Masurian Voivodeship (since 1999), Działdowo belonged previously to Cie ...

and 14 surrounding villages. Two years later (1411), as an envoy of the Dukes of Masovia he participated in the act of signing of the Peace of Thorn. In 1412 Bolesław was in Kraków, at the court of King

Władysław II Jagiełło Jogaila (; 1 June 1434), later Władysław II Jagiełło (),Other names include (; ) (see also Names and titles of Władysław II Jagiełło) was Grand Duke of Lithuania beginning in 1377 and starting in 1386, becoming King of Poland as well. ...

, and he, among others princes, traveled with the King to the frontier city of

Stará Ľubovňa Stará Ľubovňa (, , , , , ) is a town with approximately 16,000 inhabitants in northeastern Slovakia. The town consists of the districts Podsadek and Stará Ľubovňa. Names The name is of Slovak or Slavic origin and is potentially derived fro ...

to a meeting with the German King

Sigismund of Luxembourg 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-elec ...

. In 1414 he participated in another war with the Teutonic Knights, this time in person coordinating all the activities of the Masovian troops. After 1422, following the death of his older brother, Bolesław received the district of

Czersk Czersk (; ; formerly , (1942-5): ) is a town in northern Poland in Chojnice County, Pomeranian Voivodeship. As of December 2021, the town has a population of 9,844. Today the center of the city of Czersk in is the Village Square. The infrastructu ...

, where he exercised his own court and government. Bolesław died unexpectedly after 1420 but certainly before 4 May 1424. He was buried next to his father at St. John's Archcathedral, Warsaw.

Marriage and issue

Around 1412, Bolesław married the Lithuanian princess

Anna Anna may refer to: People Surname and given name * Anna (name) Mononym * Anna the Prophetess, in the Gospel of Luke * Anna of East Anglia, King (died c.654) * Anna (wife of Artabasdos) (fl. 715–773) * Anna (daughter of Boris I) (9th–10th c ...

(d. 25 May 1458 in Czersk), a daughter of Feodor Olgerdovich,J. Tęgowski: ''Anna i Barbara – księżne mazowieckie z XV wieku. Przyczynek do genealogii Piastów mazowieckich'', n:J. Śliwiński (ed.), ''Społeczeństwo i polityka do XVII wieku'', Olsztyn 1994, pp. 97–104; K. Jasiński: ''Rodowód Piastów mazowieckich'', Poznań – Wrocław 1998, p. 102. Prince of Rylsk, Ratnie and Bryansk, one of the eldest sons of

Algirdas Algirdas (; , ; – May 1377) was List of Lithuanian monarchs, Grand Duke of Lithuania from 1345 to 1377. With the help of his brother Kęstutis (who defended the western border of the Duchy) he created an empire stretching from the pre ...

, Grand Duke of Lithuania, and in consequence, a half-brother of King Władysław II Jagiełło (born from Algirdas' second marriage). They had three children: *Konrad (1413 - 21 July 1427). *Euphemia (bef. 1420 - bef. 3 March 1436), married before 7 February 1435 to

Michael Žygimantaitis Michael Žygimantaitis (, ; before 1406 – shortly before February 10, 1452 in Moscow) was pretender to the throne of the Grand Duchy of Lithuania and the last male descendant of Kęstutis, Grand Duke of Lithuania. He supported his father Sigism ...

, a Lithuanian prince. *

Bolesław IV Bolesław or Boleslav may refer to: People * Bolesław (given name) (also ''Boleslav'' or ''Boleslaus''), including a list of people with this name Geography * Bolesław, Dąbrowa County, Lesser Poland Voivodeship, Poland * Bolesław, Olkusz Coun ...

(ca. 1421 - 10 September 1454), who succeeded his grandfather Janusz I in all his domains as his only surviving male descendant.

Notes

References

*K. Jasiński: ''Rodowód Piastów mazowieckich'', Poznań – Wrocław 1998, pp. 100–103. {{DEFAULTSORT:Januszowic, Boleslaw Dukes of Masovia 1380s births 1424 deaths