Nielsen Hayden genealogy
Family: Mieszko II Lambert, King Of Poland / Richeza of Lotharingia (F2489)
m. 1013-
Father | Male
Mieszko II Lambert, King Of Poland
Born Died May 1034 Buried Married 1013 [1] Father Boleslaw I Chrobry, King of Poland | F1041 Group Sheet Mother Emnilda of Lusatia | F1041 Group Sheet
Mother | Female
Richeza of Lotharingia
Born Abt 998 Died 21 Mar 1063 Saalfield, Thuringia, Germany 
Buried Father Ezzo of Lotharingia | F2240 Group Sheet Mother Mathilde von Sachsen | F2240 Group Sheet
Child 1 | Female
+ Adelaide of Poland
Born 22 Sep 1013 Died Aft 1051 Buried Spouse Béla I, King of Hungary | F352 Married Between 1039 and 1043
Child 2 | Male
+ Casimir I
Born 25 Jul 1016 Krakow, Malowpolskie, Poland 
Died 28 Nov 1058 Poznan, Wielkopolskie, Poland 
Buried Spouse Maria Dobronega | F2431 Married 1038
Child 3 | Female
+ Gertrude-Olisava of Poland
Born Abt 1020 Krakow, Malowpolskie, Poland 
Died 4 Jan 1107 Buried Spouse Iziaslav I, Grand Prince of Kiev | F2312 Married Abt 1043
-
Sources - [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.
- [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.