During World War I, Franz Salvator received a doctorate in medicine for his work with the Red Cross.

He received an honorary doctorate in medicine from the University of Innsbruck for his work with the Red Cross during World War I and was a Knight of the Order of the Golden Fleece[1] and Order of the White Eagle.

Their children were: He married secondly, morganatically in Vienna on 28 April 1934, to Baroness Melanie Marie Agathe von Riesenfels.

Around 1914, he had an affair with Stephany Julienne Richter, a Hungarian national who was 25 years his junior.

[4] According to an FBI memo of October 1941, the Hohenlohe family had some doubts about whether the child was theirs, but acknowledged him.