According to Rösch[10], Cunegundis was the daughter of Ermentrudis but the primary source on which this is based has not been identified. She married secondly ([916/19]) as his second wife, Richwin [Richizo] Comte [de Verdun]. from http://fmg.ac/Projects/MedLands/LOTHARINGIAN%20(LOWER)%20NOBILITY.htm#_Toc127613407
SOURCES: http://fmg.ac/Projects/MedLands/LOTHARINGIAN%20(LOWER)%20NOBILITY.htm#_Toc127613407 Ancestry/Joanne Feldman wikipedia.org - Frederick I, Duke of Upper Lorraine