[PAR] [TLE] Zoë Porphyrogenita [SEP] 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. [PAR] [TLE] Theodora Porphyrogenita (11th century) [SEP] Theodora Porphyrogenita (Greek: Θεοδώρα, "Theodōra" ; AD 980 – 31 August 1056) was a Byzantine Empress born into the Macedonian dynasty that had ruled the Byzantine Empire for almost two hundred years.  She was co-empress with her sister Zoë for two months in 1042 and sole empress regnant from 11 January 1055 to 31 August 1056.  She was the last of the Macedonian line, and upon her death the empire entered a period of decline that lasted until the ascension of Alexios I Komnenos in 1081.
[PAR] [TLE] Zoë Porphyrogenita [ SEP ] 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 . [PAR] [TLE] Theodora Porphyrogenita ( 11th century ) [ SEP ] Theodora Porphyrogenita ( Greek : Θεοδώρα , " Theodōra " ; AD 980 – 31 August 1056 ) was a Byzantine Empress born into the Macedonian dynasty that had ruled the Byzantine Empire for almost two hundred years . She was co - empress with her sister Zoë for two months in 1042 and sole empress regnant from 11 January 1055 to 31 August 1056 . She was the last of the Macedonian line , and upon her death the empire entered a period of decline that lasted until the ascension of Alexios I Komnenos in 1081 .
When was the sister of Theodora Porphyrogenita died who was reigned as Byzantine Empress alongside her sister?
When was the sister of Theodora Porphyrogenita died who was reigned as Byzantine Empress alongside her sister ?
June 1050
June 1050