Mieszko I of Poland, Duke of Poland

930 - 992  (~ 62 years)

• Name	Mieszko I of Poland  [1, 2, 3]
  Suffix	Duke of Poland
  Birth	Abt. 930	Poznan, Wielkopolskie, Poland   [1]
  Gender	Male
  Fact	first Christian ruler of Poland  [1]
  Fact	966  [1]
  	founder of the Duchy of Poland
  Title	960-992  [1]
  	Duke of Poland
  Death	25 May 992	Poznan, Wielkopolskie, Poland   [1]
  Person ID	I7	Piast Genealogy
  Last Modified	4 Jun 2025

  
  

  Father	Siemomysł of Poland, 3rd Duke of the Polans,   b. Abt. 900   d. Abt. 950-960 (Age ~ 60 years)
  Family ID	F5	Group Sheet  |  Family Chart

  
  

  Family 1	Dobrawa of Bohemia, Duchess of Poland,   b. Abt. 940-945   d. 977 (Age ~ 32 years)
  Marriage	965  [1]
  Children	+ 1. Bolesaw the Brave, King of Poland,   b. Abt. 967, Poznan, Wielkopolskie, Poland d. 17 Jun 1025, Poznan, Wielkopolskie, Poland (Age ~ 58 years) + 2. Sigrid the Haughty, Queen of Sweden,   b. Poznan, Wielkopolskie, Poland   3. Vladivoj of Poland, Duke of Bohemia,   b. Abt. 981   d. Jan 1003 (Age ~ 22 years)
  Family ID	F6	Group Sheet  |  Family Chart
  Last Modified	4 Jun 2025

  
  

  Family 2	Oda of Haldensleben,   b. Abt. 955-960   d. 1023 (Age ~ 63 years)
  Marriage	Abt. 978-979  [1]
  Children	1. Mieszko Mieszkowic, Prince of Poland,   b. Abt. 979   d. Aft. 992 (Age ~ 14 years)   2. Świętopełk Mieszkowic, Prince of Poland,   b. Abt. 980   d. Bef. 991 (Age ~ 10 years)   3. Lambert Mieszkowic, Prince of Poland,   b. Abt. 981   d. Aft. 992 (Age ~ 12 years)
  Family ID	F7	Group Sheet  |  Family Chart
  Last Modified	10 May 2025

  
  

• Photos

  Mieszko I of Poland, Duke of Poland

  
  

• Sources

  [S2] "Mieszko I," Wikipedia, last modified 10 May 2025, https://en.wikipedia.org/wiki/Mieszko_I. [S3] "Siemomysł," Wikipedia, last modified 23 Nov 2024, https://en.wikipedia.org/wiki/Siemomysł. [S31] "Boleslaus I, Duke of Bohemia," Wikipedia, last modified 27 May 2025, https://en.wikipedia.org/wiki/Boleslaus_I,_Duke_of_Bohemia.