Poppo of II Weimar-Istrien Marquis
Poppo of II was born in 1015.  He died at the age of 30 in 1045.¹ 

 Hadamut of Friaul Princess
Hadamut of was born in 1018.  She died at the age of 24 in 1042.¹ 

 Ulrich of Weimar-Krain Marquis
Ulrich of was born in 1040 in <Of,Esztergom,Komarom-Esztergo,Hungary>.  He died at the age of 30 in 1070.¹