Hij is getrouwd met Adelais Nn.
Zij zijn getrouwd
Kind(eren):
GUILLAUME [III] de Nevers, son of RENAUD [II] de Nevers & his second wife Agnes de Baugency (-20 Aug 1148). The Origine et Historia Brevi Nivernensium Comitum names "Guillelmum" as the son of "Guillelmus…[filios]…Renaldum" and his second wife, commenting that he succeeded his grandfather[119]. The Libro de Libertate Monasterii Vizeliacensis names "Nivernensis comes Guilelmus filius Gulielmi Cartusiensis filii Renaldi de Hubenc, filii Gulielmi filii Renaldi filii Landrici"[120]. By charter dated to [1089/96], "Wilelmus comes filius Reinaldi comitis" confirmed a donation to the abbey of Molesme by "Willelmus comes Tornodorensis" in praise of "patre suo Wilelmo Nevernensis comite…fratris eius Raynaldi et matris eius", adding "illo majori Wilelmo avo suo"[121]. He succeeded his grandfather in 1100 as Comte de Nevers, Comte d’Auxerre. “Willelmus Nivernensis consul” donated property to Saint-Michel de Tonnerre, with the consent of “uxore mea Adelaya comitissa”, by charter dated 1096[122]. "Willelmi comitis" is named in a charter dated 1 May 1100 relating to a donation to Saint-Cyr[123].
m (before 1096) ADELAIS, daughter of --- (-after 1144). “Willelmus Nivernensis consul” donated property to Saint-Michel de Tonnerre, with the consent of “uxore mea Adelaya comitissa”, by charter dated 1096[136]. "Willelmus Nivernensium comes" donated property in the seigneurie of Marigny to the church of Autun with the consent of "Adiladi socia mea comitissa" by charter dated [1112][137]. "Willelmus Nivernensis comes" regulated disputes involving “burgis castelli Sancti Germani” in Auxerre, with the consent of “uxor mea comitissa Adalaida et filius meus Guillelmus”, by charter dated 1121[138]. "Guillelmus comes Nivernensis, qui fuit natus de filia Lancelini de Baugenciaco" renounced practices which prejudiced the abbey of Saint-Michel, with the approval of “Adalaidis comitissa uxor ipsius…et filii ipsorum Rainaldus et Robertus…Guillelmus filius supradicti comitis”, by charter dated 1134[139]. "Willermus Nivernensis comes" donated property to the Premonstrians at Notre-Dame, with the consent of "Ailleldis comitisse uxoris mee, filiorumque nostrorum, Willelmi et Rainaldi", by charter dated 1144[140].
Guillaume [III] & his wife had four children:
GUILLAUME [IV] de Nevers (-Auxerre 21 Nov 1161, bur Auxerre Saint-Germain).
RENAUD de Nevers (-Laodicea [1148][142]).
ROBERT de Nevers (-after 1134).
ANNE de Nevers .
https://fmg.ac/Projects/MedLands/burgdnevers.htm#GuillaumeIIIdied1161A