Graf Palatin Otto I von Rheineck
Otto I was born in 1080.  He died at the age of 70 in 1150.

 Gertrud von Northeim
Gertrud was born about 1089.  She died in 1113.

 Sofie von Rheineck
Sofie was born in 1112.  She died at the age of 64 on September 26th, 1176 in Jerusalem, Holy Land.