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
parents:
[Ref: ES XII #24]
Sources for death Information
date:
occ 976 [Ref: ES XII #25]
Sources with Information about marriage to unknown
child:
[Ref: ES XII #25]
Research Notes:
Graf im Rheingau, 958/76 Graf v Ratien [Ref: ES XII #25]