Hi,
They show in Ancestry's "All Swiss Overseas Emigration, 1910-1953" but the images are in German, the transcritions are,
Name: Emil Studer
Gender: männlich (Male)
Birth Year: 1911
Place of Origin: Hägendorf, Solothurn, Schweiz (Switzerland)
Last Residence: Trunbach, Solothurn, Schweiz (Switzerland)
Departure Date: Feb 1951
Port of Departure: Genua
Port of Arrival: Sydney Aurtr
Name: Mathilde Studer
Gender: weiblich (Female)
Birth Year: 1906
Place of Origin: Hägendorf, Solothurn, Schweiz (Switzerland)
Last Residence: Limbach, Österreich (Austria)
Departure Date: Feb 1951
Port of Departure: Grma
Port of Arrival: Zgdnlz Auster
Name: Jürg Studer
Gender: männlich (Male)
Birth Year: 1949
Place of Origin: Hägendorf, Solothurn, Schweiz (Switzerland)
Last Residence: Trimbach, Solothurn, Schweiz (Switzerland)
Departure Date: Feb 1951
Port of Departure: Genua
Port of Arrival: Sydney; Austr
I think the ship was Vivaldi.
I can't see anything on the document that says anything to do with Austria for Mathilde, I think her last residence is Trimbach, Sol. No mention of Austria.
I can send you the images if you want.
Regards,
Daisy