HROTHRUDIS [Rotrud] ([775]-6 Jun 810[108]). "Hruodrudem et Bertham et Gislam" are named daughters of King Charles & Hildegard by Einhard[109]. Angilbert's poem Ad Pippinum Italiæ regum names (in order) "Chrodthrudis…Berta…Gisla et Theodrada" as daughters of King Charles[110]. Theodulf's poem Ad Carolum Rege changes the order slightly when he names "Berta…Chrodtrudh…Gisla …Rothaidh…Hiltrudh, Tetdrada" as daughters of the king[111]. The betrothal of "Hruodrudem…quæ filiarum eius primogenita" with "Constantino, Græcorum imperatore" is recorded by Einhard[112]. She was given the name ERYTHRO in Greek[113]. Theophanes records that Empress Eirene sent ambassadors to "Carolum Francorum rege" to negotiate the betrothal of "filiæ eiusErythrus" and "filio suo Constantino", dated to 781, in a later passage recording that the empress terminating the treaty "cumFrancis" (dated to 787)[114]. Zonaras records that Empress Eirene terminated the betrothal of her son with "Carolum regem Francorum...eius filiam", dated to 787 from the context[115]. The Annales Fuldenses record the betrothal of "Hruodtrudis filia regis" and "Constantino imperator" in 787[116]. Her father kept her and her sisters at court refusing them permission to marry[117]. Her relationship with Rorico [I] is confirmed by the Annales Bertiniani which record the death "867 V Id Ian" of "Hludowicus abbas monasterii et nepos Karoli imperatoris ex filia maiori natu Rohtrude"[118], read together with an earlier part of the same source in which her son Louis is named "Ludowicum abbatem monasterii Sancti Dyonisii cum fratre ipsius Gauzleno"[119].The Gesta Francorum records the death "810 VIII Id Iun" of "Hruoddrud filia imperatoris quæ natu maior erat"[120]. Einhard records the death "VIII Id Iun 810" of "Hruodtrud filia imperatories"[121]. The necrology of the abbey of Saint-Denis records the death "III Non Jun" of "Rotrudis filia Karoli imperatoris"[122]. Betrothed (781, contract broken 787[123]) to Emperor KONSTANTINOS VI, son of Emperor LEON IV & his wife Eirene (14 Jan 771-Prinkipo Island [15 Aug 797/before 806][124], bur Constantinople, Monastery of St Euphrosyne). Mistress: ([800]) of RORICO [I], son of GAUZLIN & his wife Adeltrudis --- (-after 1 Mar 839 [840], bur Abbaye de Saint-Maur de Glanfeuil, Anjou). He lived at the court of Charlemagne. Comte de Rennes 819. Comte du Maine [832].