Julius Ornstein

Birth and name change records: Vienna Births Austria, Vienna, Jewish Registers of Births, Marriages, and Deaths, 1784-1911; https://familysearch.org/ark:/61903/3:1:33S7-8B2W-112?cc=2028320&wc...

Austria, Vienna, Jewish Registers of Births, Marriages, and Deaths, 1784-1911; https://familysearch.org/ark:/61903/3:1:33SQ-GB24-9QW6?cc=2028320&w...

Namensänderung Ohrenstein in Ornstein 1910 (changed his name in 1910)

Additional reference is https://www.ushmm.org/online/hsv/person_view.php?PersonId=4213528

During the war he was deported to Kleparowska str. 12/12 in the Lemberg Ghetto (then in Poland, now in Lviv, Ukraine). Most likely, he either died there, or in Janowska concentration camp (near Lviv, Ukraine), or in the Bełżec extermination camp (Poland).