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

House of Piast The House of Piast was the first historical ruling dynasty of Poland. The first documented Polish monarch was Duke Mieszko I (c. 930–992). The Piasts' royal rule in Poland ended in 1370 with the death of king Casimir III the Great. Branch ...

. 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 Masovian branch, from 1373/74 Duke of Warsaw and ...

and

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

, a daughter of

Kęstutis Kęstutis ( la, Kinstut, ; – 3 or 15 August 1382) was the Grand Duke of Lithuania. He was the Duke of Trakai and governed the Grand Duchy of Lithuania, 1342–1382, together with his brother Algirdas (until 1377), and with his nephew Jogaila ...

Life

From an early age he was prepared to take over the government in Masovia, alongside his older brother

Janusz the Younger Janusz the Younger (pl: ''Janusz Młodszy''; 1376/81 – c. 18 October 1422), was a Polish prince member of the House of Piast. He was the eldest son of Duke Janusz I of Warsaw and Danutė of Lithuania, a daughter of Kęstutis. Life In connection ...

. In 1409 he was sent by his father at the head of a retaliatory expedition against the

Teutonic Order The Order of Brothers of the German House of Saint Mary in Jerusalem, commonly known as the Teutonic Order, is a Catholic religious institution founded as a military society in Acre, Kingdom of Jerusalem. It was formed to aid Christians on ...

, culminating with the conquest and burning of

Działdowo Działdowo (german: Soldau) (Old Prussian: Saldawa) 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), Dz ...

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 ()He is known under a number of names: lt, Jogaila Algirdaitis; pl, Władysław II Jagiełło; be, Jahajła (Ягайла). See also: Names and titles of Władysław II Jagiełło. w ...

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

Stará Ľubovňa Stará Ľubovňa (german: Altlublau; hu, Ólubló; la, Lublovia; pl, Lubowla) 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 Slo ...

to a meeting with the German King

Sigismund of Luxembourg Sigismund of Luxembourg (15 February 1368 – 9 December 1437) was a monarch as King of Hungary and Croatia (''jure uxoris'') from 1387, King of Germany from 1410, King of Bohemia from 1419, and Holy Roman Emperor from 1433 until his death in 1 ...

. 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 german: Czersk, (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. ...

, 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 (wife of Artabasdos) (fl. 715–773) * Anna (daughter of Boris I) (9th–10th century) * Anna (Anisia) (fl. 1218 to 1221) ...

(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 ( be, Альгерд, Alhierd, uk, Ольгерд, Ольґерд, Olherd, Olgerd, pl, Olgierd; – May 1377) was the Grand Duke of Lithuania. He ruled the Lithuanians and Ruthenians from 1345 to 1377. With the help of his bro ...

, 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 ( lt, Mykolas Žygimantaitis, pl, Michał Bolesław Zygmuntowicz; 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 Kęstu ...

, a Lithuanian prince. * Bolesław IV (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