Count Regnier III of Hainault
Regnier was born about 0924.  He died in 0973 in Bohemia.

 Adele von Ringelheim of Louvain & Toxandrie
Adele was born about 0929.  She died in 0961.

 Regnier de Hainault IV
Regnier was born in 0950 in Reims.  He died at the age of 63 in 1013.

 Count Lambert ("the Bearded") I of Brabant
Lambert, known as "the Bearded", was born about 0952 in Louvain, Brabant, Belgium.  He died  due to killed in battle on November 12th, 1015 in Florennes.