Johanna nee Konjin Kalker, b: 1916 -

^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}

^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}

^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}




	^{David Kalker}^b.1911 d.

^{Hermann Kalker}^{b. Private d.}

^{Judith Kalker}^{b. Private d.}

		^{Benjamin Konjin}^{b.1885 d.1942 Died in Holocaust - Berg}

	^{Johanna nee Konjin Kalker}^b.1916 d.		^{Samuel Birnbaum (Bingham)}^{b.1856 d.1929}

		^{Frieda (Frits) Konjin}^{b.1890 Died in Holocaust - Berg d.}	^{Anna nee (Bingham)}^{b.1866 d.1932}