Liselotte Westfall Potenhagen, b: 1915 -

^{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}




	^{Willy Lindemann}^{b. d.}

^{Birgitte Lindemann}^{b. d.}

^{Silke Lindemann}^{b. d.}

		^{Ludvig Potenhagen}^{b. d. Hamburg}

	^{Liselotte Westfall Potenhagen}^{b.1915 d.2004 Hamburg}		^{Johann Johannsen Kühn}^{b.1831 Asserballe d.1885 Sottrup Mark, Bylderup}

		^{Anne Marie Kühn}^{b.1866 d.1935 Hamburg}	^{Mariane Kruse}^{b.1837 Hyndingholm, Ravsted d.1916 Sottrup Mark, Bylderup}