Raoul de Gant
Raoul was born about 1009 in of Gand, Flanders.  He died after 1058.

 Gisele\Gisla of Luxembourg
Gisele\Gisla was born about 1009 in of Luxembourg.  She died after 1058.

 Gilbert de Gant
Gilbert was born about 1039 in of Alost, France.  He died about 1095 in Folkingham, Lincoln, England.