Born: abt. 1197 Died: abt. 1256
HRE Charles VI's 18-Great Grandmother. PM Cameron's 25-Great Grandmother. HRH Albert II's 25-Great Grandmother. HM Margrethe II's 23-Great Grandmother. Ksr Wilhelm II's 21-Great Grandmother. `Red Baron' Richthofen's 21-Great Grandmother.