GAUCELIN [IV] de Lèves, son of GAUCELIN [III] [le Riche] de Lèves & his wife Elisabeth --- (-before 2 Nov 1107). "Hugo vicedominus et filius eius Albertus, Gauslinus de Leugis et filius eius Gauslinus..." subscribed the undated charter, dated to [1070], under which an unnamed provost swore allegiance to Chartres Notre-Dame, naming "ministerii Ingelranni"[1119]. "Gauslinus filius G. Divitis et uxor eius Odelina, Albertus filius H. vicedomini, Ada mater eius" donated "apud Rodanivillam medietatem æcclesiæ Sti Georgis" to Saint-Martin-des-Champs by charter to 1079[1120]. "...Gauslinus de Leugis et filius eius Gauslinus..." subscribed the charter dated to before 1080 under which "Wenricus..." donated "æcclesiam Treionis" to Saint-Père-en-Vallée[1121]. "Gauslenus de Leugis" donated "ancillam suam...Odelinam" to Saint-Père-en-Vallée by charter dated to [1079/1101], subscribed by "Dodo frater eiusdem Gausleni, Stephanus filius Guerrici vicedomini...[1122].
m ODELINE du Puiset, daughter of HUGUES [I] "Blavons" de Breteuil Vicomte de Chartres & his wife Alix de Montlhéry (-before 2 Nov 1107). Her parentage and marriage are confirmed by an undated charter under which "Ebrardus de Puteolo, filius Hugonis, cujus sororem Gallinus de Leugis duxit uxorem" donated trade freedoms "de Soors" to Coulombs[1123]. "Gauslinus filius G. Divitis et uxor eius Odelina, Albertus filius H. vicedomini, Ada mater eius" donated "apud Rodanivillam medietatem æcclesiæ Sti Georgis" to Saint-Martin-des-Champs by charter dated to 1079[1124]. "Goislenus de Leugis...et uxor eius...Odelina, materque eius Ada et filius eius Hugo" donated "tota terra Roenville" to Saint-Martin-des-Champs by charter to [1081/82][1125].
Gaucelin [IV] & his wife had [four] children: