Count of Luxembourg Siegfried
Count of Luxembourg was born in 0918 in Luxembourg, Belgium.

 Countess of Luxembourg Hedwig
Countess of Luxembourg was born about 0927 in Luxembourg, Belgium.

 Frederick
Frederick was born about 0945 in Moselgau, France.  He died on October 6th, 1019.

 Luitgarde de Cleves
Luitgarde was born about 0963 in Bruxelles, Brabant, Belgium.

 Countess of Luxembourg Eva
Countess of Luxembourg was born about 0967.

 Countess of Luxembourg Kunigunde
Countess of Luxembourg was born about 0970.