GUILLAUME [II] Goët (-[1117]). His parentage is confirmed by the charter dated to [1050/60] under which "Hugo…castri Breietelli possessor in pago Cenomannensi" donated "ecclesiam…in Dunensi pago…Lazellam" to Marmoutier, with the permission of "domine mee Mahildis filie Galterii de Aloia filiorumque ac filiarum eiusdem, quibus patres fuere Guillelmus cognomento Gugetus et Gauffredus de Medana…Willelmi, Hildeburgis et Richildis, item Hamelini, Galterii et Hersendis"[1261]. "Guillelmus Gogietus et mater eius Mahildis" donated property "ex bosco ipsorum de Pertico" with the consent of "Eustachia coniuge sua et filiis Guillelmo et Hugone" by charter dated 1079, witnessed by "Rodulfus filius Rotrochii bastardi"[1262]. "Guillelmus cognomina Goetus" donated property to Chartres Saint-Père by undated charter which names "uxore mea…Eustachia et filiis meis Guillelmo et Roberto…et filia mea…Mahildi"[1263]. Seigneur de Montmirail. "Willelmus Goetus senex et uxor eius Eustachia et eorum filii Willelmus…et Mischinus primogenitus et Robertus atque Matheus" donated property by charter dated 1116, in the presence of "Bernardus puer, nepos ipsius Eustaciæ"[1264]. m (before 1071) EUSTACHIE, daughter of ---. "Guillelmus Goius [et] uxor…Eustachia" donated property by charter dated 1071[1265]. "Eustachia coniuge sua et filiis Guillelmo et Hugone" consented to the donation by "Guillelmus Gogietus et mater eius Mahildis" of property "ex bosco ipsorum de Pertico" by charter dated 1079[1266]. A clue to the origins of Eustachie is provided by the charter dated 1116 in which "Willelmus Goetus senex et uxor eius Eustachia et eorum filii Willelmus…et Mischinus primogenitus et Robertus atque Matheus" donated property in the presence of "Bernardus puer, nepos ipsius Eustaciæ"[1267], although Bernard has not yet been idenfied. "Guillelmus cognomina Goetus" donated property to Chartres Saint-Père by undated charter which names "uxore mea…Eustachia et filiis meis Guillelmo et Roberto…et filia mea…Mahildi", the editor of the compilation stating that "Eustachia" was "consanguinea Willelmi abbatis Carnotensis"[1268]. Guillaume [II] & his wife had five children: