Frederick, Duke of Lower Lorraine

count of Malmedy from 1035 and Duke of Lower Lorraine from 1046 (1003–1065)

Parents

• Irmentrude van de Wetterau
• Frederick of Luxembourg

Children

• Judith von Luxemburg

Siblings

• Henry VII, Duke of Bavaria
• Hermann of Gleiberg
• Imiza of Luxembourg
• Giselbert of Luxembourg
• Adalbero III of Luxembourg
• Ogive of Luxembourg
• Gisela von Luxemburg

Partners

• Gerberga of Boulogne
• Ida of Saxony