Heinrich I. v.Schwalenberg	Haseke v.Dassel?	Heinrich II. v.Schwarzburg	Irmgard v.Weimar-Orlamünde
Volkwin III. (IV) v.Waldeck		Ermengard v.Schwarzburg

Irmgard v.Schwalenberg+sp.1.10.1312

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Do you see errors?/Do you have hints?