Elena Asenina of Bulgaria Byzantine empress (1201–1201) Parents Anna Maria of Hungary Ivan Asen II of Bulgaria Children John IV Laskaris Eudoxia Laskarina Maria Laskarina Irene Doukaina Laskarina Siblings Michael II Asen Kaliman I of Bulgaria Anna-Theodora Asenina of Bulgaria Maria Asanina Komnene Beloslava of Bulgaria Maria Asenina of Bulgaria Tamar Asenina Partners Theodore II Laskaris