Count Gauthier de Rethel
Gauthier was born about 1115 in Rethel, Ardennes, France.  He died about 1158.

 Beatrix of Namur
Beatrix was born about 1111.

 Beatrix de Rethel
Beatrix was born about 1131.  She died on March 30th, 1185.

 Clemence de Rethel
Clemence was born in 1133 in Reims, France.

 Count Manasses de Rethel IV
Manasses was born about 1140 in Rethel, Ardenne, France.  He died in 1200.