Thierry de Wavrin
Thierry was born in 1025 in Wavrin, Pas-de-Calais, Normandie, France.  He died at the age of 41 in 1066.

 Lady de St. Venant
Lady de St. Venant was born in 1030.

 Gauthier de Wavrin
Gauthier was born in 1050.  He died at the age of 39 in 1089.