Georg Johannes Ritter von Trapp was born in Zara, Kingdom of Dalmatia, then a Crown Land of the Austro-Hungarian Empire, now Zadar in Croatia. His father, Fregattenkapitän August Trapp, was a naval officer who had been elevated to the Austrian nobility in 1876 which entitled him and his descendants to the style of Ritter (Knight) von in the case of male and von in the case of female offspring.[citation needed] On April 17, 1915, von Trapp took command of SM U-5 and conducted nine combat patrols. While in command of the U-5 he sank the following: He captured: