Parents Henry (Heinrich) “The Proud” Gertrud Countess of Northeim Date of Birth 1129 Place of Birth Ravensburg, Donau, Wurttemburg Date of Death 6 Aug 1195 Place of Death Braunschweig, Brunswick, Germany Source(s) http://homepages.rpi.edu/~holmes/Hobbies/Genealogy2/ps13/ps13_082.htm