[PIROSKA] ([1085/90]-13 Aug 1134). Zonaras records that "filium regem", referring to Ioannes, married "Ungrorum principis filia"[513]. Ioannes Kinnamos records the marriage of "Ioannes Imperator" and "Irenam, Vladislai filiam", referring to "Vladislao Hungariæ regi"[514]. Unfortunately, this apparently straight-forward statement cannot be accepted at face value without further analysis. The problem is that the same paragraph of Kinnamos's text also names "Almus et Stephanus" as the two sons of "Vladislæ Hungariæ regi", stating that "Stephanus" succeeded his father and "Almus" fled to "imperatorem". This report of events in Hungary in the late 11th/early 12th centuries is inconsistent with other primary sources relating to the Hungarian kings, which name no King Stephen/István at that time, identify Kálmán and Álmos as the sons of King Géza I (and nephews of King László I), and suggest that Álmós's rebellion against his half-brother King Kálmán must have taken place after the estimated date of the marriage of Emperor Ioannes. The marriage of Emperor Ioannes took place during the reign of King Kálmán. It appears to have been agreed as part of the arrangements to obtain Byzantine acceptance of Hungarian territorial conquests along the Dalmatian coast[515]. Kálmán had poor relations with his predecessor László, who had wished to by-pass him in the Hungarian succession. The question is therefore whether Kálmán would have maintained László's children at court and included them in his "pool" of marriageable princesses. The passage in question is found in the earliest part of the narrative of Kinnamos, whose work is dated to the early part of the second half of the 12th century, so several decades after the events. Some inaccuracies in these early sections of his work would therefore not be surprising. Nevertheless, there are chronological difficulties assigning the emperor´s wife to other potential parents among the Hungarian royal family. Her birth date range of [1085/90] is estimated from her having given birth to her first child in early 1106, her husband's own birth date, and also that she continued to bear children until 1119. It is therefore unlikely that she was the daughter of Géza I King of Hungary (who died in 1077) and sister of King Kálmán. King Kálmán's birth is estimated in [1065], and his first recorded marriage took place in 1097. It is therefore not impossible that he married earlier and that the emperor´s wife was his daughter by an otherwise unrecorded first marriage. The primary source which confirms her supposed original Hungarian name "Piroska" has not yet been identified. Daniel Cornides states that "Ladislao regi Hungariæ, filiam Pyriscam imperatricem Constantinopolitanam" is named in "annales domestici, a Thuroczio vulgati, P. II c. 63", but in a later passage clarifies that "Ladislai Thurotzy" names "nuptam Græcorum imperatori…Pyriscam seu Pyroscam" as the daughter of King Géza I based on "ex Tomo I antiquæ lectionis ab Henrico Canisio Noviomagi anno 1601 publicato"[516]. Cornides cites no primary source which provides the basis for the name in either of his chapters which deal with [Piroska]. This suggests that this original Hungarian name is dubious. [Piroska] adopted the name EIRENE in Byzantium, as shown by the extract from Ioannes Kinnamos quoted above. She became a nun as XENA and was canonised by the Greek Orthodox church. Her children included at least one set of twins. m ([1104/05]) co-Emperor IOANNES Komnenos, son of Emperor ALEXIOS I & his wife Eirene Dukaina (1088-8 Apr 1143). He succeeded his father in 1118 as Emperor IOANNES II.