II Robert Duke of Normandy
II was born in 1027.

 Arlette Fulbert
Arlette was born in (W121-230) (PF7-3) the Lioness.¹ 

 William I "The Conquerer"
William I "The was born in 1028 in Falaise.  He died at the age of 59 on September 9th, 1087 in Rouen.

 Adelaide
Adelaide was born in 1030.

 Robert
Robert was born in Duke of Burgundy.¹