Mieczislaw (Burislaf) I Of Duke Of Poland

Abt 922 - 992  (70 years)

Piast Of Poland Duke Of Poland

809 - 861  (52 years)

Birth	809
Died	861
Children	1. Ziemowit Of Poland Duke Of Poland,   b. 835

Gorka (Of Poland)

Family	Ziemomysl Of Poland Duke Of Poland,   b. 892
Children	1. Mieczislaw (Burislaf) I Of Duke Of Poland,   b. Abt 922, Poznan, Poland   2. Adelajda Of Poland,   b. Between 940 and 955, Of Poznan, Poland

Ziemomysl Of Poland Duke Of Poland

892 - 964  (72 years)

Birth	892
Died	964
Father	Leszek Of Poland Duke Of Poland,   b. 865
Relationship	unknown
Family	Gorka (Of Poland)
Children	1. Mieczislaw (Burislaf) I Of Duke Of Poland,   b. Abt 922, Poznan, Poland   2. Adelajda Of Poland,   b. Between 940 and 955, Of Poznan, Poland

Gorka (Of Poland)

Family	Ziemomysl Of Poland Duke Of Poland,   b. 892
Children	1. Mieczislaw (Burislaf) I Of Duke Of Poland,   b. Abt 922, Poznan, Poland   2. Adelajda Of Poland,   b. Between 940 and 955, Of Poznan, Poland

Thyra Haraldsdottir, Of Denmark

Yes, date unknown - 1000

Birth	Yes, date unknown
Died	18 Sep 1000
Father	Harald VII Bluetooth Gormsson King Of Denmark,   b. Abt 910, Blauzahn, Germany
Relationship	unknown
Mother	Gyrid Olafsson
Relationship	unknown
Family 1	Styrbjorn Olafsson, Of Sweden,   b. Abt 936, Sweden
Married	Bef 959
Family 2	Olav I Norway King Of Norway
Family 3	Mieczislaw (Burislaf) I Of Duke Of Poland,   b. Abt 922, Poznan, Poland
Married	Bef 967
Children	1. Boleslaw I The Brave Of Poland King Of Poland,   b. Abt 967, Poznan, Poland

Styrbjorn Olafsson, Of Sweden

Abt 936 - 984  (48 years)

Birth	Abt 936	Sweden
Died	984	Sweden
Father	Olaf Bjornsson King Of Uppsala
Relationship	unknown
Mother	Ingelberg Of Sula
Relationship	unknown
Family	Thyra Haraldsdottir, Of Denmark,   b. Yes, date unknown
Married	Bef 959

Olav I Norway King Of Norway

Family	Thyra Haraldsdottir, Of Denmark,   b. Yes, date unknown

Boleslaw I The Brave Of Poland King Of Poland

Abt 967 - 1025  (58 years)

Birth	Abt 967	Poznan, Poland
Died	17 Jul 1025
Father	Mieczislaw (Burislaf) I Of Duke Of Poland,   b. Abt 922, Poznan, Poland
Relationship	unknown
Mother	Thyra Haraldsdottir, Of Denmark,   b. Yes, date unknown
Relationship	unknown
Married	Bef 967
Family	Judith Of Hungary
Married	988
Divorced	Yes, date unknown
Children	1. Mieszko II Lambert Of Poland King Of Poland,   b. 990, Poznan, Poland

Judith Of Hungary

Father	GÈza Of Hungary King Of Hungary
Relationship	unknown
Mother	Sarolta Of Transylvania
Relationship	unknown
Family	Boleslaw I The Brave Of Poland King Of Poland,   b. Abt 967, Poznan, Poland
Married	988
Divorced	Yes, date unknown
Children	1. Mieszko II Lambert Of Poland King Of Poland,   b. 990, Poznan, Poland

• Name	Mieczislaw (Burislaf) I Of Duke Of Poland  [1, 2, 3, 4, 5]
  Birth	Abt 922	Poznan, Poland   [1, 2, 3, 4, 5, 6]
  Gender	Male
  Fact 1	Acceded: Abt 960.   [1, 2, 3, 4, 5]
  	Fact 1
  Fact 2	Aka Burislaf Of Wendland.   [1, 2, 3, 4, 5]
  	Fact 2
  Name	Burislaf Of Wendland  [2, 3]
  Death	25 May 992  [1, 2, 3, 4, 5, 7]
  Origins
  Patriarch & Matriarch	Piast Of Poland Duke Of Poland,   b. 809   d. 861  (Age 52 years)  (2 x Great Grandfather)  Gorka (Of Poland)  (Mother)
  Notes	[large-G675.FTW] It is not clear from sources which wife sired which child, hence the multiplicity of unknown spouses.
  Person ID	I59538	ktree
  Last Modified	4 Mar 2024

  
  

  Father	Ziemomysl Of Poland Duke Of Poland,   b. 892   d. 964 (Age 72 years)
  Relationship	unknown
  Mother	Gorka (Of Poland)
  Relationship	unknown
  Family ID	F14905	Group Sheet  |  Family Chart

  
  

  Family	Thyra Haraldsdottir, Of Denmark,   b. Yes, date unknown   d. 18 Sep 1000  Other Partners: Styrbjorn Olafsson, Of Sweden  m. Bef 959;   Olav I Norway King Of Norway
  Marriage	Bef 967  [4, 5, 8, 9, 10]
  Children	1. Boleslaw I The Brave Of Poland King Of Poland,   b. Abt 967, Poznan, Poland d. 17 Jul 1025 (Age 58 years)  [Father: unknown]  [Mother: unknown] ▻ Judith Of Hungary  m. 988
  Family ID	F21287	Group Sheet  |  Family Chart
  Last Modified	4 Mar 2024

  
  

• Sources

  [S204] large-G675.FTW, line 132A pp 116-117. Undisclosed in 1031 [S203] Gregory Strong, Ancestory.com Individual Tree - Kings & Presidents. [S201] Leisure Guy, leisureguy@icloud.com, "KinshipTree - Historical Family Database", (Name: Name: http://kinshipcove.com Genealogy Research: Common Historical Roots In South Texas;;). [S204] large-G675.FTW. Date of Import: 14 Mar 1999 [S204] large-G675.FTW. Date of Import: 16 Mar 1999 [S208] Aiken, Tom. ca 935 [S208] Aiken, Tom. [S20] Brian Tompsett, Dept of Computer Science, University of Hull Royal Database (England), (Name: Name: copyright 1994, 1995, 1996;;). no date [S204] large-G675.FTW. [S540] I put in date due to birth of son Boleslaw as the earlier birth of daughter Adelajda is uncertain & looks suspicious given Thyra's giving birth to a child in 999 (in her 3rd m), also just wnated to try to get the marriages ordered properly.