Robert II Count of Flanders approved the donation of land “[apud] Hersiel...” made by “domini Everardi Tornacensis castellani...Gualterique eius filii” to Tournai Notre-Dame, for the souls of “sua sueque uxoris Heluidis”, by charter dated 20 Oct 1110, witnessed by “...ipsi Everardi...Gualterii filii sui, Adelardi nepotis sui...”. “...Walterus filius Everardi, Alardus filius Cononis...” witnessed the charter dated 24 Oct 1111 under which Baudouin VII Count of Flanders donated “Palincdinc” to Bourbourg.
Châtelain de Tournai. Baudouin VII Count of Flanders ordered “Gualtero castellano” to open “ventail de Tuns” to release water for the abbey of Saint-Amand-en-Pèvele, in accordance with the agreement between “abbatem Hugonem et Evrardum castellanum”, by charter dated 1116, witnessed by “...Alardi filii Cononis...”. A charter of Charles Count of Flanders dated to [1119/26] of the abbey of Saint-Silvin d’Auchy, including the donation by "Goardi [presumably a mistranscription for Galteri or similar] et Radulfi filii Evreberti" of "mansorium et terram appendicem Garini cognomina Emboeth". “...Balduini Gandensis, Walteri Tornacensis, Danielis Thermundensis, Theoderici castellani de Dicasmuta, Thancmari de Straten, Christiani de Gistela” witnessed the charter dated 1129 under which Thierry Count of Flanders confirmed donations to Oudenburg abbey made by “Conon...filius Adelardi atque frater Walteri quondam Buticularii”.
The necrology of Tournai Saint-Nicolas-des-Prés records the death “IV Non Jan” of “Gualterus castellanus”. He is named as deceased in ... 1144... 1