He had four sisters (Euterpi Kolas, Elena Aliveratos, Euthalia Naoum, Ioanna Leon Melas) and one brother (Costadinos).
[4] He returned to Greece and was employed as a senior director of the department of Industry at the Ministry of National Finance.
Kyriazis was a member of several political, cultural and scientific organisations including local musical societies.
A large number of his books and manuscripts were donated to the Damianos Kyriazis wing of the Benaki Museum in Athens.
Another donation to the Gennadeion Library included important papers of Ali Pasha, 41 rare manuscripts, 860 books and others.