ca 1020 en dochter van Otto II vam Zwaben en N.N. van Egisheim volgens
https://www.genealogieonline.nl/stamboom-corbey/I21177.php
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"Nach ihrem vermuteten Vater Herzog Otto II. von Schwaben wird sie auch Richenza von Schwaben genannt. Die These dieser Abstammung ist nach heutigem Forschungsstand kaum noch haltbar."
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https://en.wikipedia.org/wiki/Richenza_of_Swabia
"She is known as Richenza of Swabia, based on the theory that she was a daughter of Duke Otto II of Swabia. However, that theory is hard to maintain with the current state of research. "
....
"Later research has cast doubt on this theory. Ursula Lewald pointed out in 1979 that it would be unusual for Otto II's sister to be his heir if he had daughters. Sabine Borchert has pointed out in 2005 that Richenza inherited land in the Elbe-Weser area, suggesting that her family came from that area. She left her sons about 150 oxgangs of land on the left bank of the lower Elbe, next to the land of Wichmann the Younger of the Billung dynasty, suggesting that she might have been a daughter of his brother Egbert the One-Eyed."
ca 1060 volgens
https://www.genealogieonline.nl/stamboom-corbey/I21177.php
(1) She is married to Herman III van Werl.
They got married about 1043.Source 2
1040-1045
1050 volgens
http://www.graafschap-middeleeuwen.nl/genealogie/getperson.php?personID=I1821&tree=DGidME_01
Child(ren):
(2) She is married to Otto I van Northeim.
They got married in the year 1050.Source 2
1040-1045
ES NF Band VIII Tafel 132, https://www.genealogieonline.nl/stamboom-corbey/I21177.php
Volgens bron ook gehuwd met Herman van Werl, maar die was gehuwd met Richenza van Avelgouw, dochter van Herman III
https://www.genealogieonline.nl/genealogie-van-der-ploeg-mosterman/I10365.php
Child(ren):
Richenza van Avelgouw | |||||||||||||||||||||||||||||||||||||
(1) ± 1043 | |||||||||||||||||||||||||||||||||||||
Herman III van Werl | |||||||||||||||||||||||||||||||||||||
(2) 1050 | |||||||||||||||||||||||||||||||||||||
Otto I van Northeim |