MATHILDE de Vendôme . A fragmentary chronicle of the dukes of Aquitaine names "Buchardus, Lancelinus, Galfridus et Mahauda" as the children of "Johanni Comiti primogenitor Galfridi Grisagonellæ Comitis Vindonicensis atque Mahaudæ Castridunensis" and his wife "Bertham"[1086]. "Lancelinus filius Johannis comitis Vindocini, Mathildis filia eiusdem Johannis, item alia filia Mathildis" consented to the charter dated 1139 under which "Goffridus Grisagonella comes Vindocini et Johannes filius eius" donated part of the forest of Gâtineau to the abbey of La Trinité de Vendôme[1087]. The primary source which confirms her marriage has not yet been identified. "Henricus comes" donated "ecclesiam Sancte-Crucis de Gingamp" La Trinité de Vendôme by charter dated to [1147/56], signed by "Henricus et Matillis uxor mea, Johannes comes Vindocinensis…"[1088]. The Chronicon Ruyensis Cœnobii records the death in 1214 of "Mathildis Comitissa"[1089], which may refer to the widow of Henri Comte de Tréguier although she would have been old at the time. m (Mayenne 19 Sep 1151) HENRI de Bretagne Comte de Tréguier et de Guingamp, son of ETIENNE de Bretagne Lord of Richmond & Hawise de Guingamp ([1100]-early 1183).