When was the sister of Theodora Porphyrogenita died who was reigned as Byzantine Empress alongside her sister?
Zoë Porphyrogenita Zoë ( "life" ] ; 978 – June 1050) reigned as Byzantine Empress alongside her sister Theodora from April 19 to June 11, 1042. She was also enthroned as the Empress Consort to a series of co-rulers beginning with Romanos III in 1028 until her death in 1050 while married to Constantine IX.
Antonina (wife of Belisarius) Antonina (Greek: Ἀντωνίνα , c. 484 – after 565) was a Byzantine patrikia and wife of the general Belisarius. Her influence of her husband was great. Procopius features her as dominating Belisarius.. Controversial figure, the historian Paolo Cesaretti mentions her as the "right arm" of the empress Theodora in the exercise of power.