Khazar people

Byzantine emperor

Tzitzak (; died 750), baptised Irene (), was a Khazar princess, the daughter of khagan Bihar, who became empress by marriage to Eastern Roman Emperor Constantine V (r. 741–775).

Byzantine empress

king of Abkhazia (r. 767–828)

The Bulanids were the ruling dynasty of the Khazar Khaganate during the 9th century and 10th century CE.