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Ermengarde (Occitan: Ermengarda, Ainermada, or Ainemarda) (b. 1127 or 1129 – d. Perpignan, 14 October 1197), was a viscountess of Narbonne from 1134 to 1192. She was the daughter of Aimery II of Narbonne and his first wife, also named Ermengarde.