May 19, 1938
Archduke Otto's spokesman made an official denial of reports that the pretender to the Austrian throne is not becoming engaged to Princess Maria Theresa, according to the New York Times. The newspaper also reported that a "similar denial" was also issued regarding a purported engagement of Otto's sister, Archduchess Adelheid.
The report did not identify which Princess Maria Theresa, but Otto was in Liechtenstein at the time. Prince Franz Joseph of Liechtenstein, heir to the principal;iity, had a sister, Princess Maria Theresa, born in 1908.