Address: Praha 7, Schnirchova 1353/7, (2011)
Ing. Eugen Wiener was born on 14 August 1878 i Opava in the Moravian-Silesian Region.
His parents were Gustav Wiener and Katharina née Toch. He had five brothers, Leo (1876-1936), Oskar (*1877-?), Artur (1884-1942), Paul (1887-?) and Victor (1888-1943), and one sister Franchette (1883-1936).
He was married to Katharina née Schwarzová. The couple had two sons, Robert (1913-2003) and Heinz (1915-2006).
The couple were Austrian citizens. He was a civil engineer, specialist in railroad constructions, representing in Czechoslovakia a Swiss construction company.
The last residence of the couple before deportation was in Prague VII., Malá Šternberkova 7. Today Schnirchova 7.
On 30 July 1942, Ing. Eugen Wiener and his wife were arrested and deported to Theresienstadt concentration camp by transport AAv. His transport number was 287 of 1,001. Only five days later, on 4 August 1942, the couple were deported to Maly Trostenets extermination camp by transport AAz. His transport number was 568 of 1,000. On 10 August 1942, both were “killed by gas”.
Two of his brothers were murdered, Artur in 1942 in Izbica, Victor escaped with his wife from Warsaw to Paris, there were arrested by the French police, handed over to Germans and their further whereabouts are unknown. Two of his brothers survived, Oskar in England, Paul in France.
Their two sons survived, Robert in USA, Heinz in England.
https://www.holocaust.cz/en/database-of-victims/victim/134348-evzen-wiener/