Hildegarde von SWABIA 
Hildegarde von was born about 0758 in Aachen, Rheinland, Prussia. She died in Thionville, Moselle, France.
They had a son named Louis I 'The Pious' Holy Roman.
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Children
Louis I 'The Pious' Holy Roman Emperor
Louis I 'The Pious' Holy Roman was born in August 0778 in Casseneuil, Lot-et-Garonne, near Poitiers, Aquitaine, France. He died in Petersaue, Ingelheim, Rheinhessen, Hesse-darmstadt, Prussia.