Louis I 'The Pious' Holy Roman Emperor & Ermengarde Princess of HESBAYE 
They had a son named Lothair 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 Inglemunster, West Flanders, Belgium.
Ermengarde Princess of HESBAYE
Ermengarde Princess of was born in 0778 in Hesbaye, Liege, Belgium. She died in Angers, France.
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Children
Lothair I Holy Roman Emperor
Lothair I Holy Roman was born in 0795 in Altdorf, Uri Canton, Switzerland. He died in Preum, Rheinlnad, Prussia.