Constantine Lekapenos, co-emperor

• https://en.wikipedia.org/wiki/Constantine_Lekapenos

Constantine Lekapenos or Lecapenus (Greek: Κωνσταντῖνος Λακαπηνός, translit. Kōnstantínos Lakapenós) was the third son of the Byzantine emperor Romanos I Lekapenos (r. 920–944), and co-emperor from 924 to 945. With his elder brother Stephen, he deposed Romanos I in December 944, but was overthrown and exiled by the legitimate emperor Constantine VII (r. 913–959) a few weeks later. Constantine Lekapenos was exiled to the island of Samothrace, where he was killed while attempting to escape sometime between 946 and 948. .. ... ....

-http://fmg.ac/Projects/MedLands/BYZANTIUM.htm#HelenaLekapenedied961

h) KONSTANTINOS Lekapenos (-948). Theophanes Continuatus records that Emperor Romanos crowned "filios suos Stephanum et Constantinum…in magna ecclesia" 25 Dec, in 924 from the context[1298]. The same source records that he was his father's youngest son in the passage which records his two marriages (see below). Cedrenus names him "Constantino tertio Romani filio" when recording his marriages[1299]. It is assumed that this should be interpreted as "third surviving son", as the emperor’s eldest son Christoforos was already dead by then. "Constantinus et Stephanus" are named as the two sons of "Romanos maior" by Liudprand[1300]. Together with his brother Stefanos, he deposed his father 16 Dec 944. They were arrested by Emperor Konstantinos VII 27 Jan 945, and banished.

m firstly ([939]%29 HELENA, daughter of ADRIANOS patrikios & his wife --- (-14 Jan [940]). Cedrenus records the marriage of "Constantino tertio Romani filio" and "puella Helena, Adriani patricii filia, stirpis Armeniacæ", adding that the bride died soon after[1301]. Symeon Magister records the death 14 Jan of "Romanus uxorem iuniori filio suo Constantino gentis Armeniacæ, patricii Adriani filiam" and his second marriage 2 Feb to "ex Mamonis illius genere, Theophano"[1302]. Theophanes Continuatus records the death of "Romanus imperator Constantino filiorum natu minimo uxorem Helenam, Adriani patricii filiam stirpis Armeniacæ" in Feb, in a passage following the record of the marriage of her brother-in-law Stefanos[1303].

m secondly (2 Feb [940]%29 THEOFANO Mamas, daughter of ---. Symeon Magister records the death 14 Jan of "Romanus uxorem iuniori filio suo Constantino gentis Armeniacæ, patricii Adriani filiam" and his second marriage 2 Feb to "ex Mamonis illius genere, Theophano"[1304]. Cedrenus records the second marriage of "Constantino tertio Romani filio" and "Theophano a Mamante genus" soon after the death of his first wife[1305]. Theophanes Continuatus records the marriage of "Romanus imperator Constantino filiorum natu minimo" and "Theophanonem…Mamantis illius stirpe satam" in the same month of February in which his first wife died, in a passage following the record of the marriage of her brother-in-law Stefanos[1306].

Konstantinos & his [first/second] wife had one child: 

• i) ROMANOS Lekapenos (-after [970/72]). .. ...

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http://www.gedbas.de/person/ancestors/1036764497