I Robert
I was born in 0999 in Normandy.  He died at the age of 36 on July 22nd, 1035 in Nicaea, Bithynie, Turkey.

 UNKNOWN Arlette
UNKNOWN was born about 1003 in Falaise, Clavados, France.  She died in 1050 in Caen, France.

 I William
I was born on October 14th, 1024 in Falaise, Normandy, France.  He died at the age of 62 on September 9th, 1087 in St. Gervais, Rouen.  He was buried in Abbey of St. Stephen, Caen.

 Adelaide de Gand
Adelaide was born in 1026 in Falais, Calvados, France.  She died at the age of 64 in 1090.