Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. II: Die Ausserdeutschen Staaten Die Regierenden Hauser der Ubrigen Staaten Europas. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES II #[0-9]*].
Sources for birth and parent Information
father:
[Ref: ES II #115]
Sources for death Information
date:
occ 1118 [Ref: ES II #115]
Sources with Information about marriage to Ragnhild
date:
first marriage of Inge [Ref: ES II #115]
Sources with Information about marriage to Ulvhild Hakonsdatter
date:
second marriage of Inge and first of Ulvhild [Ref: ES II #115]