Lothair I … Holy Roman Emperor 795–855

Family with parents
father Parents Charlemagne King of the Franks Hildegarde von Swabia	Louis I “The Pious” … King of the Franks 778–840
mother Parents Ingramme de Hesbaye Hedwig de Bavaria	Ermengarde de Hesbaye 778–818
himself Family Ermengarde de Tours Lothair II de Lorraine	Lothair I … Holy Roman Emperor 795–855
younger sister Family Robert IV “The Strong” of the Franks Robert I King of West Francia	Adelaide de Tours 815–866
younger brother Family Ermentrude d'Orleans Judith of West Francia	Charles II “The Bald” … Holy Roman Emperor 823–877
Family with Ermengarde de Tours
himself Parents Louis I “The Pious” … King of the Franks Ermengarde de Hesbaye	Lothair I … Holy Roman Emperor 795–855
wife Parents Hugh II “Le Mefiant” de Tours Bava de Paris	Ermengarde de Tours 800–851
son Family Waldrada von Saxony Gisela de Lorraine	Lothair II de Lorraine 827–869

James Bly Research