Heinrich I of Regenstein-Blankenburg
Heinrich I of was born about 1150 in Regenstein,Saxony.  Heinrich I of is no longer alive.

 UNKNOWN Von Polleben
UNKNOWN was born about 1156 in Polleben,Saxony.  UNKNOWN is no longer alive.

 Ulrich I of Regenstein
Ulrich I of was born about 1184 in Regenstein,Saxony.  He died after 1265.