Ludwig (Ludi) Albrecht Constantin Maria von Salm-Hoogstraeten de Peralta-Ramos Balcom

Ludwig von Salm-Hoogstraeten nicknamed "Ludi", was an Austrian tennis player of the pre-Open Era. He competed in the men's outdoor singles event at the 1912 Summer Olympics.[3] He reached the quarterfinal in which he lost to South African Harold Kitson in straight sets.[4]
On 23 July 1944, he jumped off the hotel balcony onto the Danube Promenade and died immediately.[36] According to the Winona Daily News, he did so because the Nazis had arrived on the scene to arrest him for his Jewish ancestry.[38] According to his friend Sidney Wood, the root cause behind his suicide was that the Nazi regime pressured him to engage in espionage, which he refused to do and thus the SS wanted to hunt him down.[42] On the contrary, according to the Jewish Criterion, he was a Nazi collaborator and avid anti-Semite and chose to end his life in fear of post-war reprisals.[43][44] He was buried on 28 July; his funeral became social affair.[36]
https://en.wikipedia.org/wiki/Ludwig_von_Salm-Hoogstraeten