{geni:about_me} Otto SCHWITZER + '''Etta HAMBURGER'''. Her siblings:
* Paul Egbert Hamburger
* Gerty Hambueger

Their father: Moritz Hamburger (abt 1856 - 5/8/1918 Vienna) NFP brother of Otto Hamburger (1857 - 5/25/1922) NFP, Louise /?Paula Hamburger (abt 1874 - 12/18/1902 Vienna) NFP & dr Albert Engel (1860 - 5/30/1931) NFP "ch. Anna (neeEngel) Berger [brother of Karl Engel (1856 - 1/15/1898) NFP, Rudof Engel (1864 - 9/1/1931) & Yvonne Villain sons of Emil Engel (1829 - 11/28/1900) NFP & Adele Büchler (1831 - 1/17/1916) NFP]"

Their mother: Olga Böhm (abt 1868 - bur 2/27/1935 Vienna). Sister of Martha Böhm & Louis Kuhn von Kuhnenfeld. * P-grandfather: Sigmund Hamburger ?( - 7/3/1852) P-grandmother: Fanny (?) (abt 1846 - 2/20/1923) NFP
* M-grandfather: Sigmund Böhm (1832 - Feb 6, 1909 Vienna) NFP M-grandmother: [http://www.geni.com/people/Johanna-B%C3%B6hm/6000000011480847127 '''Johanna Strakosch''' (1844 - Dec 12, 1911) NFP *geni

-- http://freepages.genealogy.rootsweb.ancestry.com/~prohel/names/misc/brukner.html