Guillaume I De+ Nevers
Guillaume I De+ was born in 1029.  He died at the age of 54 in 1083.

 Irmengarde De+ Tonnerre
Irmengarde De+ was born about 1030.  She died before 1085.

 Guillaume De+ Nevers
Guillaume De+ was born about 1045.  He died after 1092.

 Renaud II De+ Nevers
Renaud II De+ was born about 1047 in Nevers, Nievre, France.  He died about 1097.

 Ermengarde De+ Nevers
Ermengarde De+ was born about 1055.