Born Elsa Marie, known as Elsa Kastl until 1900, then Elsa Kastl von Traunstätt (or Elsa Kastl-Traunstätt) after her father was granted nobility, Slovenized as Elza Kastl pl. Traunstätt, Elsa von Obereigner after her marriage, after 1918 Elizabeta (or Elza) Overeigner (or pl. Obereigner), and as a Czechoslovak citizen Alžběta Obereignerová. Married Heinrich Obereigner (15 Jul. 1875 - 26 Nov. 1914) om 12 January 1911. Source: Stieglitz, Olga et al. 2008. Der Bildhauer Richard Kauffungen (1854-1942): zwischen Ringstrasse, Künstlerhaus und Frauenkunstschule. Frankfurt am Main: Peter Lang, p. 180.