Editing Oda of Haldensleben (section)

==Life==
Oda was the eldest child of [[Dietrich of Haldensleben]], [[Margrave]] of the [[North March]].{{sfn|Berend|Urbanczyk|Wiszewski|2013|p=144}} She grew up in the monastery of [[Kalbe, Saxony-Anhalt|Kalbe]], near to [[Milde (river)|Milde]] river in the north of [[Magdeburg]].{{sfn|Łukasiewicz|2009|p=408}} Eventually she became a [[nun]] there, and later was married to Duke [[Mieszko I of Poland]].{{sfn|Ketrzynski|1950|p=18}} They had:

#[[Mieszko Mieszkowic|Mieszko]] (born {{circa}} 979 – died after 992/95).{{sfn|Łukasiewicz|2009|p=408}}
#[[Świętopełk Mieszkowic|Świętopełk]] (born {{circa}} 980 – died before 991?).{{sfn|Łukasiewicz|2009|p=408}}
#[[Lambert Mieszkowic|Lambert]] (born {{circa}} 981 – died after 992/95).

Some 80 years later a reference in an obscure church book mentions "Ote and Dago(me)". There is no actual document and the church book mentioning from c. 1080 is known as ''[[Dagome iudex]]'' and thus assumed to be one of the earliest Polish legal documents. It's a principal source for this portion of the history of Poland under the [[Piast dynasty]].

The undated mentioning from 1080 states that "Dago(me)" (assumed to be Mieszko I) gifted his territory to [[Pope John XV]] and received his domains from him as a fief in this ''[[Dagome iudex]]'', apparently issued shortly before his death, c. 991/92. This document indexes the lands of (Mieszko), referred to as "Dagome" in the document, and his wife "Ote" and her sons by him (Mieszko and Lambert are only named; probably Świętopełk was already dead by that time or was in Pomerania as a ruler, according to modern historians).

Oda returned to [[Germany]] and entered in the Abbey of [[Quedlinburg]] as a nun,{{sfn|Łukasiewicz|2009|p=409}} where she died almost thirty years after her husband, in 1023. Nothing is known about the fate of her sons, but in 1032 her grandson Dietrich or [[Dytryk]] (son of either Mieszko or Lambert) returned to Poland and obtained parts of the country after the fall of [[Mieszko II Lambert]]; however, one year later he was expelled by Mieszko II, who could again reunite Poland in his hands.