Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.1 (#1-#200): Herzogs und Grafenhauser des Heiligen Romischen Reiches Andere Europaische Furstenhauser. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES III.1 #[0-9]*].
Sources for birth and parent Information
parents:
[Ref: ES III.1 #28]
Sources for death Information
date:
occ um 990/um 1000 [Ref: ES III.1 #28]
Sources with Information about marriage to unknown
child:
[Ref: ES III.1 #24]
Research Notes:
Count (Sieghardinger) [Ref: ES III.1 #24]