Wiki information Tzitzak:

Woman, Deceased Person, Person

Tzitzak, baptised Irene, was a Khazar princess, the daughter of khagan Bihar, who became the first wife of Byzantine Emperor Constantine V.

Man, Person

Bihar was a Khagan of the Khazars during the 730s. Bihar was the father of Tzitzak, the Khazar princess who married the son of Byzantine Emperor Leo III who later ruled as Constantine V. Bihar was thus the grandfather of Emperor Leo IV the Khazar. He...