31:
216:(however without Dobrzyń and Sieradz-Łęczyca) from his father in 1233. In 1239, he would enlarge his domains with the castellany of Ląd, which he received as the dowry of his second wife. In subsequent years, Casimir I actively supported his father's turbulent politics, which brought him in 1242 to conquer the district of Wyszogród from the rulers of
292:
Ultimately, however, Casimir I refused to return Ląd, and this caused the coalition to attack again in 1261. Leszek II the Black, Casimir I's eldest son, took advantage of his father's difficult position and demanded his own district, using as an excuse the intrigues of his stepmother, who wanted to
238:
The next geopolitical change in
Masovia came in early 1248, when Bolesław I died unexpectedly and without issue. In his will, he left all his domains to his brother Siemowit I. With this opportunity, Casimir I was able to take advantage of the confusion after his older brother's death and capture
243:
293:
obtain more land for her own children. In the end, Casimir I was forced to not only surrender the castellany of Ląd, but to also give
Sieradz to his son as a separate district.
289:
against
Casimir I. This expedition was a complete victory, and on 29 November 1259, Casimir I was forced to surrender and promised to cede Ląd to Bolesław the Pious.
421:
323:. As her dowry, she received the castellany of Ląd, which was the cause of the Casimir I's long conflict with the Duchy of Greater Poland. They had two sons:
281:
to his son-in-law. The expedition was only partially successful, and so the following year Bolesław the Pious organized a more powerful coalition with
266:, in order to secure the northern border of his territory. It was not until 1263 that his relations with the Teutonic Order where normalized.
231:, received Sieradz-Łęczyca. Dissatisfied with his part of the paternal inheritance, Casimir I attacked his brothers' lands while they were in
277:, and attacked Kujawy, demanding the return of the castellany of Ląd. It was his opinion that the land was unlawfully transferred by
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Around 1230/31 Casimir I married firstly with Hedwig (1218/20 – 8 January aft. 1234), probably the daughter of
356:, Duke of Greater Poland, prevented this land from passing to the Masovian branch. They had four children:
498:
370:
122:
169:; c. 1211 – 14 December 1267) was a Polish prince and a member of the House of Piast. He was Duke of
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Konrad I died on 31 August 1247. According to his will, most of
Masovia passed to his oldest son,
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258:, however, which had the Pope on its side. After this failure, Casimir I appealed to the
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W sprawie pochodzenia
Jadwigi, pierwszej żony księcia kujawskiego Kazimierza Konradowica
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tribes and establish peaceful relations with them. His plans were not supported by the
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422:"Kazimierz I Kujawski - Katalog Skarbów - Skarby Dziedzictwa Narodowego - Polska.pl"
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at the funeral of their father, and was able to conquer
Siemowit I's inheritance.
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During the 1250s
Casimir I was busy with his effort to Christianize the
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Casimir died on 14 December 1267 and was buried in the
Cathedral of
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Meanwhile, Casimir I faced additional internal problems. In 1258,
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170:
352:, she received the district of Ruda, but the quick action of
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373:(c. 1261/62 – 10 June 1294), killed in battle against the
453:, ed. K. Zielińska-Melkowska, Toruń 1997, pp. 235-240.
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after 1242, Duke of
Sieradz from 1247-1261, Duke of
319:(c. 1221/27 – c. 21 February 1257), a daughter of
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363:(3 March 1260/19 January 1261 – 2 March 1333),
200:. He was probably named after his grandfather,
451:Europa Środkowa i Wschodnia w polityce Piastów
344:(c. 1228/30 – 4 November 1292), daughter of
336:(c. 1241/45 – 29 October/24 December 1287).
29:
340:In 1257, Casimir I married thirdly with
315:In 1239 Casimir I married secondly with
241:
476:
303:
273:, Duke of Greater Poland, allied with
389:(c. 1265 – 18 March 1308), married
13:
14:
520:
464:Kazimierz I Konradowic (Kujawski)
330:(c. 1240/42 – 30 September 1288).
275:Wartislaw III, Duke of Pomerania
227:, and the youngest of his sons,
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1:
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509:13th-century dukes in Europe
246:Casimir I of Kuyavia's Seal.
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177:from 1239-1261, ruler over
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504:13th-century Polish people
361:Władysław I the Elbow-high
119:Władysław I the Elbow-high
192:He was the second son of
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185:after 1247, and Duke of
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173:after 1233, ruler over
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166:
283:Bolesław V the Chaste
245:
383:(c. 1262/67 – 1312).
167:Kazimierz I kujawski
159:Casimir I of Kuyavia
97:Constance of Wrocław
23:Casimir I of Kuyavia
328:Leszek II the Black
304:Marriages and issue
212:Casimir I received
202:Casimir II the Just
194:Konrad I of Masovia
141:Konrad I of Masovia
111:Leszek II the Black
101:Euphrosyne of Opole
346:Casimir I of Opole
321:Henry II the Pious
285:, Siemowit I, and
279:Henry II the Pious
271:Bolesław the Pious
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499:Burials in Poland
410:Casimir Ier Piast
391:Yuri I of Galicia
287:Daniel of Galicia
262:, who settled in
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424:. Archived from
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310:Władysław Odonic
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61:14 December 1267
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494:Dukes of Kujawy
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365:King of Poland
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256:Teutonic Order
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85:House of Piast
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2:
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196:and his wife
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151:Agafia of Rus
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70:Cathedral of
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27:
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16:Polish prince
484:1210s births
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430:. Retrieved
426:the original
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405:
367:(1320–1333).
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237:
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191:
189:after 1248.
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80:Noble family
489:1267 deaths
375:Lithuanians
45: 1211
478:Categories
432:2009-10-11
398:References
371:Casimir II
354:Przemysł I
342:Euphrosyne
252:Yotvingian
239:Dobrzyń.
229:Siemowit I
225:Bolesław I
123:Casimir II
57:1267-12-14
348:. As her
334:Ziemomysł
317:Constance
298:Włocławek
179:Wyszogród
115:Ziemomysł
91:Spouse(s)
72:Włocławek
387:Euphemia
381:Siemowit
131:Euphemia
127:Siemowit
187:Dobrzyń
183:Łęczyca
94:Jadwiga
218:Gdańsk
214:Kujawy
171:Kujawy
163:Polish
147:Mother
137:Father
66:Buried
350:dower
264:Łuków
233:Płock
107:Issue
208:Life
51:Died
38:Born
449:,
175:Ląd
480::
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42:c.
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161:(
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55:(
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