Louis I 'The Pious' Holy Roman Emperor & Ermengarde, Princess of HESBAYE 
They had a son named Lothaire I Holy Roman.
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Personal Details
Louis I 'The Pious' Holy Roman Emperor
Louis I 'The Pious' Holy Roman was born in August 0778 in Casseneuil, Lot-et-Garonne, France. He died in Ingelmunster, West Flanders, Belgium.
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Children
Lothaire I Holy Roman Emperor
Lothaire I Holy Roman was born in 0795 in Altdorf, Uri Canton, Switzerland. He died in Preum, Rheinland, Prussia.