(Greek: Τζιτζάκ; died c. 750), baptised Irene (Greek: Εἰρήνη, romanized: Irini), was a Khazar princess, the daughter of khagan Bihar, who became empress...

Nobleman in Exile Composing Verses", which refers to Doukaina as "that viper Irini Doukaina" and that as the cause of the titular nobleman's exile, "may she...