Ludwig Von+ Thuringen
He died in May 1123.

 Adelheid Von+ Stade
Adelheid Von+ was born about 1068.  She died on November 17th, 1110.

 Adelheid Von Thuringen
Adelheid Von was born in 1087.  She died at the age of 59 in 1146.

 Ludwig I Von+ Thuringen
Ludwig I Von+ was born about 1090.  He died on January 12th, 1140.

 Cecilia Von Thuringen
Cecilia Von was born in 1095.  She died at the age of 46 in 1141.