Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. XII: Schwaben. Marburg: Verlag von J. A. Stargardt, 1992. Information from this source tagged as [Ref: ES XII #[0-9]*].
Sources for birth and parent Information
father:
[Ref: ES XII #65, ES XII #77C]
Sources for death Information
date:
10.III nach 1208 [Ref: ES XII #65]
Sources with Information about marriage to Bertold I Count Of Weissenhorn, Achalm, And Neuffe
date:
vor 1167 [Ref: ES XII #65],
child:
[Ref: ES XII #65]
Research Notes:
1135: nun at Zweifalten [Ref: ES XII #77C]