Wiki information Synadene:

Deceased Person, Person

Synadene was a Byzantine Greek woman who briefly acted as queen consort of Hungary, probably in the 1070s. She was most likely married to King G├ęza I.

Theodora Palaiologina Synadene
Woman, Person

Theodora Palaiologina Synadene was the daughter of Constantine Palaiologos and Irene Komnene Laskarina Branaina. Through her father, she was a half-niece of the Byzantine Emperor Michael VIII Palaiologos.