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.
Justin II Justin II (Latin: "Flavius Iustinus Iunior Augustus" ; Ancient Greek: Φλάβιος Ἰουστίνος ὁ νεώτερος ; c. 520 – 5 October 578) was Eastern Roman Emperor from 565 to 574. He was the husband of Sophia, nephew of Justinian I and the Empress Theodora, and was therefore a member of the Justinian Dynasty. His reign is marked by war with the Sassanid Empire and the loss of the greater part of Italy. He presented the Cross of Justin II to Saint Peter's, Rome.