Robert I "the Frisian" Count of Flanders
Robert I "the Frisian" was born in 1033 in Flandres,Belgium.  He died at the age of 60 on October 13th, 1093 in Kassel,Germany.

 Gertrude of Saxony
Gertrude of Saxony was born in 1028 in Schweinfurt,Unterfranken,Bavaria.  She died at the age of 85 on August 4th, 1113.

 Gertrude de Flanders
Gertrude de was born in 1064 in Flanders,Belgium.  She died at the age of 53 in 1117.