m secondly (contract Nov 1258) BEATRICE de Champagne, Infanta doña BEATRIZ de Navarra, daughter of THIBAUT IV Comte de Champagne [TEOBALDO I King of Navarre] & his wife Marguerite de Bourbon ([1242]-château de Villaines-en-Duesmois, Côtes d'Or 1295 after Jul). A charter dated Nov 1258 confirms the marriage between “Hue duc de Bourgoigne” and “Thiebaut…foy de Navarre, de Champaigne et de Brie cuens palatins…demoiselle Biatrix nostre serour”[386]. Dame de l'Isle-sous-Montréal. The testament of “Hugo dux Burgundiæ”, dated Sep 1272, bequeathed property to “Beatrix uxor mea”[387]. She renounced any claim to the succession of her brother 2 Sep 1273. After her husband died, she retired to the château de l'Isle-sur-Serein. She quarrelled with her stepson Robert Duke of Burgundy, and asked for protection from Philippe II "Auguste" King of France[388]. An arrêt of Parliament dated 1 Nov 1292 ordered compensation to “Odo Bezors miles dominus de Villa-Arnulphi...et Agnete eius uxore” for transferring their part of “castro et castellaniæ Iusulæ subtus Montem-Regalem” which they had received under the succession of “defuncti Iohannis de Monteregali militis quondam patris dictæ Agnetis”, which he had inherited from “defuncto Anserico quondam domino Montisregalis”, to “Beatrice ducissa relicta Hugonis ducis Burgundiæ”, while providing for “Guido de Monteregali armiger filius Ioannis de Monteregali quondam militis...et...Beatrice relicta Iacobi domini de Rocha de Breine, sorore dicti Guidonis”[389]. “Guiot de Montreal escuyer” renounced his claims over “la chastellenie de l´île soubs Montreal” derived from “le decés de Jean de Montreal son pere et de Anseric seigneur de Montreal son oncle” in favour of “Beatrix veuve de Hugues Duc de Bourgongne” by charter dated May 1293[390].