different political views, the physicist/inventor Count Georg von Arco (1869-1940). His elder brother Count Ferdinand (1893-1968) married Gertrud Wallenberg (1895-1983), member of the Swedish banking dynasty , and cousin of anti-Nazi agent Raoul Wallenberg . References: Arco family tree Oppenheim family tree [1] . Nicholas Goodrick-Clarke , (1985) The Occult Roots