HERVE [IV] de Donzy (-Château de Saint-Aignan 23 Jan 1222, bur Abbaye de Pontigny near Auxerre). "Guillelmus Guoet dominus de Giem" donated property to Rigny abbey, with the support of "fratres mei Philippus, Gaufridus, Herveus et Rainaudus" by undated charter[2686]. He succeeded his father in 1187 as Seigneur de Donzy. Seigneur d´Alluyes: "Reginaldus Montismirabilis dominus, Herveii Danzeii filius" guaranteed the freedoms granted to "monachis S. Romani de Braiolo" by "Herveusfrater meus Aloyæ dominus" by charter dated 31 Mar 1197[2687]. "Herveus Aloie dominus" confirmed the rights of the prior of Saint-Jean de Brou in his lands, with the consent of "Philippus de Danzeio...frater meus...", by charter dated to [1197][2688]. Comte de Nevers, by right of his wife. 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. His father-in-law invested him as Comte de Tonnerre before leaving France in early 1217 following his appointment as Emperor of Constantinople. He succeeded his father-in-law in 1219 as Comte d'Auxerre[2689]. The Chronique de Guillaume de Nangis records in 1222 the death by poison of "Henri comte de Nevers" and his burial first "dans le château de Saint-Aignan dans le territoire de Bourges, ensuite dans le monastère de Pontigny, ordre de Cîteaux"[2690]. m (contract Paris Oct 1199, Papal dispensation 20 Dec 1213) as her first husband, MATHILDE de Courtenay, daughter of PIERRE [II] Seigneur de Courtenay [later PIERRE I Emperor of Constantinople] & his first wife Agnes Ctss de Nevers, d'Auxerre et de Tonnerre ([1188]-29 Jul 1257, bur Abbaye de Réconfort, nearMonceaux-le-Comte). The Chronicle of Alberic de Trois-Fontaines names "Mathildem" as only daughter of "comitis Petris" & his first wife, specifying that she married "Herveio Gaufridi filio de Giam et de Dunzeio"[2691]. She succeeded her mother in 1193 as Ctss de Nevers, d'Auxerre, Ctss de Tonnerre, under the guardianship of her father, but the latter declared himself Comte d'Auxerre et de Tonnerre in 1199. The Chronologia Roberti Altissiodorenses records the marriage in 1199 of "Petri Comitis Nivernensis filiam" and "Herveo de Giemo"[2692]. Philippe II King of France granted permission for the marriage of "Herveus dominus Donziaci" and "filiam Petri comitis Nivernensis, cum comitatu", for which "nos et Renaldus frater noster" granted "Giemum cum tota castellania" to the king, by charter dated Oct 1199[2693]. She married secondly (Jul 1226) as his third wife, Guy [IV] Comte de Forez. Hervé [IV] & his wife had two children