[daughter of Frederick I of Luxemburg Count of Luxemburg [15-41, 23-39, 69-39, 249-42, 263-41, 509-42, 510-41] and Ermentrude von GLEIBERG [15-41, 23-39, 69-39, 249-42, 263-41, 509-42, 510-41]] [See 510-40 above]