*Hildegarde Princess of the Holy Roman Empire
born about 0801 France
died after 0841 Laon, Belgium

father:
*Louis I "The Pious" Emperor of the Holy Roman Empire
born August 0778 Casseneuil, France
died 20 June 0840 Near, Ingelheim, Rhinehessen, Hesse
buried Cathâedrale d'Aachen, Aachen, Rheinland, Prussia

mother:
*Ermengarde (Irmengarde) Princess of Hesbaye
born about 0778 Hesbaye, Belgium
died 3 October 0818 Angers, France
married 0798 France

siblings:
*Lothaire I Emperor of the Holy Roman Empire and King of Italy
born 0795 Altdorf, Bavaria died 29 September 0855 Pruem, Rheinland, Prussia
buried St Sauveur, France
Pâepin I King of Aquitane born about 0803 France died 13 December 0835/38
*Ludwig II (Louis) "The German" King of the East Franks (Germans)
born about 0806 France died 28 August 0876 Frankfurt, Hessen-Nassau, Prussia
buried Lauresheim Abbey, Prussia
Rotrude Princess of the Holy Roman Empire born about 0810 France
Alpaide (Alpais) Princess of the Holy Roman Empire born about 0808 France

spouse:
*Gerhard of Auvergne
born about 0798 Poitiers, Vienne, France
died 25 June 0841 Battle of Fontenay

children:
*unnamed daughter of Gerhard of Auvergne
*Renaud Count of Poitiers born about 0820 Aquitaine, France
died 5 July 0866

biographical and/or anecdotal:

notes or source:
ancestry.com