THIBAUT [I] (-before 1088). "Adelsendis, Corbonis uxor, et eorum filii Corbo, Audoenus et Tetbaldus cum filiabus suis" signed the charter dated to [1007/15] which records an agreement between "Sichardus abbas Majoris Monasterii" and "Dodone Corbonensis præposito" relating to mills "ad ripam Brennæ sitis"[825]. Seigneur de Rochecorbon. "Harduini militis" donated part of the islands opposite Marmoutier to the abbey by charter dated to before 1032, signed by "Odo comes, Gaufridus de Sancto Aniano, Harduinus, Tetbaldus frater eius, Nivelo de Castro Dunensi"[826]. "Theobaldus de Rupibus" renounced his claim to "allodum de Nozilliaco" which "primogenitores mei" had donated to Tours Saint-Julien, with the consent of "fratris mei Harduiniclerici…comitis Goffridi Dominique mei Gaulfredi Pruliacensis", by charter dated 1064 signed by "Gaulfredi de Prulliaco thesaurarius Sancti Martini"[827]. A charter dated 6 Dec 1064 which records disputes between Marmoutier and "Theobaldus Harduini frater de Rupibus Corbonis", relating to rights of pasturage on "l´île Thibaut", which records that Thibaut was encouraged by "uxoris suæ Gaufridi de Prulliaco filia", signed by "…Harduino clerico, Theobaldi fratre"[828]. m firstly --- de Preuilly, daughter of [GEOFFROY [II] Seigneur de Preuilly & his wife Almodis ---] (-after 6 Dec 1064). Her parentage and marriage are confirmed by a charter dated 6 Dec 1064 which records disputes between Marmoutier and "Theobaldus Harduini frater de Rupibus Corbonis", relating to rights of pasturage on "l´île Thibaut", which records that Thibaut was encouraged by "uxoris suæ Gaufridi de Prulliaco filia", signed by "…Harduino clerico, Theobaldi fratre"[829]. The date of the charter suggests that her father was Geoffroy [II] de Preuilly but this is not free from doubt. m secondly (after 1064) SIBYLLE d´Amboise, daughter of LISOIS de Bazoges Seigneur de Chaumont-sur-Loire & his wife Hersende de Buzançais. The Gesta Ambaziensium names "Eufemiam, Sibillam et Elisabeth" as the three daughters of Lisois & his wife, specifying that Sibylle married "Theobaldus filius Corbonis" by whom she had "Robertum de Rupibus"[830]. Thibaut [I] & his second wife had [two] children