*Basilius Argyrus

father:
*Leo Argyrus
(end of information).

mother:
unknown

siblings:
Romanus Argyrus Emperor of Byzantium
Maria Argyra

spouse:
*Pulcheria wife of Basilius Argyrus
(end of information).

children:
*daughter (Argyra) of Basilius Argyrus

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com
Basilius was often a term for the emperor but this person was not the emperor so there maybe some confusion.
However it is known he was the brother of the emperor.
Byzantium by John Julius Norwich