Living in Cluj, Romania.
He most likely did not survive.
Searched by Zoltan BALOG.
Sources:
Sándor (Alexander) Seelenfreund (Hakohen) (1879 - 1944) - Genealogy (geni.com)
https://yvng.yadvashem.org/index.html?language=en&s_id=&s_lastName=Seelenfreund&s_firstName=Sandor&s_place=&s_dateOfBirth=&cluster=true