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Family Louis I ("the Pious") Holy Roman Emperor & Ermengarde de Hesbaye Click to view Louis I ("the Pious") Holy Roman Emperor & Ermengarde de Hesbaye in the family tree Click to view Louis I ("the Pious") Holy Roman Emperor & Ermengarde de Hesbaye in the family tree

the Pious and Ermengarde were married.  They had two sons and two daughters, named Louis, the Bald, Princess and Adelaide.