Heinrich I Regenstein Blank Count

Heinrich I was born about 1150.  Heinrich I's father was Siegfried I Blankenburg Regenstein and Count of.  His paternal grandfather was Poppo I Of Regenstein Count and his paternal grandmother is Rixa Of Northeim Countess. He had a brother named Siegfried II.  He was the older of the two children.  He died in 1224.  He was buried in 1224.

They had a son named Ulrich I.