Robert IV De+ Sable
Robert IV De+ was born about 1149 in Sable, Sarthe, Maine/Pays de la Loire, France.  Robert IV De+ is no longer alive.

 Clemence De+ Mayenne
Clemence De+ was born about 1150 in Mayenne, France.  She died before 1190.

 Marguerite De+ Sable
Marguerite De+ was born about 1175.  She died after 1210.