"Irene Doukaina or Ducaena (Greek: Εἰρήνη Δούκαινα, Eirēnē Doukaina; c. 1066 – 19 February 1138) was a Byzantine empress by marriage to the Byzantine emperor Alexios I ...
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Komnenos, and the mother of Emperor John II Komnenos and of the historian Anna Komnene." - (en.wikipedia.org 14.03.2021)
