"Richeza of Lotharingia (also called Richenza, Rixa, Ryksa; born about 995/1000 – 21 March 1063) was a German noblewoman by birth, a member of the Ezzonen dynasty. She married Duke Mieszko II Lambert, later King of Poland, becoming Queen of Poland. She returned to Germany following the deposition of her husband in 1031, later becoming a nun, and today is revered as Blessed Richeza of Lotharingia.
Richeza had three known children: Casimir I the Restorer, Ryksa, Queen of Hungary, and Gertruda, Grand Princess of Kiev. She was also noted in 2009 as the putative mother of Agatha, wife of Edward the Exile and mother of Margaret of Wessex. From her descended the eastern rulers of the Piast, Rurikid, and Árpád dynasties. Four of her Árpád descendants were canonized: Elizabeth, Landgravine of Thuringia, Kinga, Duchess of Kraków, and Margaret and Irene of Hungary. She was beatified with another one of her descendants, Yolanda, Duchess of Greater Poland." - (en.wikipedia.org 16.11.2019)
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