MATHILDE de Courtenay ([1188]-29 Jul 1257, bur Abbaye de Réconfort, near Monceaux-le-Comte). The Chronicle of Alberic de Trois-Fontaines names "Mathildem" as only daughter of "comitis Petris" & his first wife, specifying that she married firstly "Herveio Gaufridi filio de Giam et de Dunzeio" and secondly "comiti Gugoni Forensi"[2596]. She succeeded her mother in 1193 as Ctss de Nevers, d'Auxerre, Ctss de Tonnerre, under the guardianship of her father. The Chronologia Roberti Altissiodorenses records the marriage in 1199 of "Petri Comitis Nivernensis filiam" and "Herveo de Giemo"[2597]. "Mathildis comitissa Nivernensis" donated property to the abbey of Corbigny by charter dated May 1226 for the soul of "H quondam bone memorie domini et mariti nostri comitis Nivernensis"[2598]. "Guido Nivernensis comes et Mathildis comitissa uxor eiusdem comitis" took under their protection a family belonging to Saint-Cyr by charter dated Jan 1229[2599]. The necrology of Sens cathedral records the death "IV Kal Aug" of "Matildis comitissa Nivernensis"[2600]. The necrology of Nevers Notre-Dame records the death "IV Kal Aug" of "Matildis comitissa Nivernensis"[2601]. [2602]Betrothed (1193) to PHILIPPE de Flandre, son of BAUDOUIN VIII Count of Flanders [BAUDOUIN V Comte de Hainaut] & his wife Marguerite Ctss of Flanders (Valenciennes Mar 1174-15 Oct 1212, bur Namur, cathédrale de Saint-Aubin). m firstly (contract Paris Oct 1199, Papal dispensation 20 Dec 1213) HERVE [IV] Seigneur de Donzy, de Gien et de Saint-Aignan, son of HERVE [III] Seigneur de Donzy et de Gien & his first wife Mathilde Goët Dame de Montmirail (-Château de Saint-Aignan 23 Jan 1222, bur Abbaye de Pontigny near Auxerre). He disputed possession of the château de Gien with Pierre de Courtenay, but defeated the latter and obliged him to agree to the hand of his daughter as well as the transfer of the county of Nevers. The arrangement was confirmed by Philippe II King of France in Nov 1199. "Herveus comes Nivernensis et Mathildis comitissa uxor eiusdem comitis et neptis Guidonis comitis" granted privileges to the church of St Etienne, Nevers by charter dated [1206][2603]. His father-in-law invested him as Comte de Tonnerre before leaving France in early 1217 following his appointment as Emperor of Constantinople. "Herveus comes Nivernensis" confirmed the franchises granted by "Ludovicus...regis Franciæ primogenitus" in "terra...Montismirabilis, Aloye, Bracote, Autoin, Basochie et Froseii", granted as dower to "filie nostre Agneti cum primogenito dicti Ludovici Philippo in maritagium", by charter dated Jul 1218[2604]. He succeeded his father-in-law in 1219 as Comte d'Auxerre[2605]. The necrology of the Cathedral of Nevers records the death "X Kal Feb" of "Herveus comes Nivernensis"[2606]. m secondly (Jul 1226) as his third wife, GUY [IV] Comte de Forez, son of GUY [III] Comte de Lyon et de Forez [Albon] & his second wife Adalasia --- (-Castellaneta, Apulia 29 Oct 1241, bur Notre-Dame de Montbrison). He succeeded as Comte de Nevers in 1226, by right of his wife. He died while returning from Crusade with Thibaut King of Navarre, Comte de Champagne[2607]. Mathilde & her first husband had two children