Gautier de Mayenne
He died in 1126.

 Adeline de Presles

 Mathilde de Mayenne
Mathilde was born in 1082 in Mayenne, France.  She died at the age of 80 in 1162 in Beaune, France.

 Marquise Isabelle de Mayenne
Isabelle was born in 1129 in Mayenne, France.