Charles III "le Simple" King of the West Franks confirmed donations of property "in comitatu quoque Cœnomannico" made by "Hugo comes et mater sua Rothildis", at the request of "genitrix nostra Adeleidis et…comes Hugo consanguineus, necnon et…comes Ecfridus" by charter dated 1 Nov 900. The charter dated 929 subscribed by "Hugonis comitis filii Rotgerii comitis" suggests that Rothildis must have been the wife of Roger. Flodoard names "Rothildis, amitæ suæ [regis Karoli], socrus autem Hugonis" when recording that the king deprived her of "abbatiam…Golam" [Chelles] in favour of his favourite Haganon, the context dictating that "Hugonis" was "Hugo filius Rotberti". As the paternal aunt of King Charles III, chronology determines that she must have been the daughter of her father's second marriage... She acquired the monasteries of Chelles, and Notre-Dame and Saint-Jean at Laon. She retreated to Chelles in 922 but was deprived of the monastery by her nephew Charles III "le Simple" King of the West Franks in favour of his favourite Haganon, an event which led to the rebellion of Robert Marquis en Neustrie who was the father of Rothildis's son-in-law (Hugues, later "le Grand" Duc des Francs).
Her death is dated to late 928/early 929 as Flodoard names "Rothildis…nuper defunctæ" when recording that "Heribertus et Hugo comites" (specifying that "Hugo" was "gener ipsius Rothildis") attacked "Bosonem Rodulfi regis frater" in 929 over the property of Rothildis.... The necrology of the abbey of Saint-Germain-des-Prés records the death "XI Kal Apr" of "Rothildis abbatisse et monache filia regis magni Karoli". The necrology of the abbey of Saint-Denis records the death "XI Kal Mar" of "Rotildis abbatissa". 2
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