Family/Spouse: Hildegarde Princess Of Holy Roman Empir, [Abbesse of LAON. Hildegarde (daughter of Louis I "the Holy Roman Empir and Ermengarde (Irmengarde) Princess Hesbaye, [EMPRESS OF THE) was born about 801 in Of, , , France; died after 841 in , Laon, , Belgium. [Group Sheet] [Family Chart]