Siddy nee Reinemann Dukas, b: 1899 -

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}

^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}




	^{Max O. Dukas}^{b.1881 d.1956}

^{Richard H. Dukas}^{b. Private d.}

^{Elinor (Muehsam)nee Wahl}^{b. Private d.}			^{Isidor (Isaak) Reinemann}^{b.1836 d.1900}

		^{Hugo Reinemann}^{b.1866 d.1945}	^{Sara nee Wertheimer Reinemann}^{b.1834 d.1898}

	^{Siddy nee Reinemann Dukas}^{b.1899 d.1997 Lugano, Switzerland}

		^{Frieda nee Nachtigall Reinemann}^{b.1875 d.1957}