She is married to Hugo I van Capet.
They got married
Child(ren):
HEDWIG ([922]-9 Jan [958 or after 965]). Rodulfus Glaber names "sororem [primis Ottonis] Haduidem" as wife of "Hugo dux Francorum cognomento Magnus"[191]. "Henricus…rex" granted property to Paderborn cathedral by charter dated 9 May 935 which names "Heinrici æquivoci ac filii nostri et Hadeuui filiæ nostræ" by charter dated 9 May 935[192]. "Hugues abbé de Saint-Martin" donated "son alleu de Lachy…dans le comté de Meaux", inherited from "comte Aledramnus", to Tours Saint-Martin by charter dated 14 Sep 937 which names "sa femme Havis"[193]. Flodoard refers to "sororem Othonis regis Transfhenensis, filiam Heinrici" as the wife of "Hugo princeps, filius Roberti", without naming her, recording the marriage in 938[194]. The Annales Nivernenses record in 958 that "rex et mater sua et Ugo filius Ugonis et mater sua" attended a hearing "apud Marziacum vicum iuxta Nevernis…contra Guillelmum comitem Aquitaniæ post missa sancti Martini"[195]. The necrology of the abbey of Saint-Denis records the death "V Id Jan" of "Hadhuidis comitissa"[196]. m ([9 May/14 Sep] 937) as his third wife, HUGUES "le Grand" Duc des Francs, son of ROBERT I King of France & his second wife Béatrix de Vermandois ([898]-Dourdan, Essonne Jun 956, bur Saint-Denis).
Bronnen:
[191] France, J., Bulst, N. and Reynolds, P. (eds. and trans.) (1989) Rodulfi Glabri Historiarum Libri Quinque, Rodulfus Glaber Opera (Oxford) I.8, p. 19.
[192] D H I 37, p. 71.
[193] Mabille, E. (ed.) (1866) La pancarte notre de Saint-Martin de Tours brulée en 1793 (Paris, Tours) ("Tours Saint-Martin") LVIII, p. 95.
[194] Flodoard 938, MGH SS III, p. 385.
[195] Annales Nivernenses, MGH SS XIII, p. 89.
[196] Obituaires de Sens Tome I.1, Abbaye de Saint-Denis, p. 307.
https://fmg.ac/Projects/MedLands/GERMANY,%20Kings.htm#HedwigMHuguesRegentFrancedied956