Oda was the eldest child of Dietrich of Haldensleben, Margrave of the North March.
[3] They had: Some 80 years later a reference in an obscure church book mentions "Ote and Dago(me)".
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,[4] where she died almost thirty years after her husband, in 1023.