Jacob Rosenfelder, b: 1845 - Wittenberg, Russia

^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}

^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}

^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}



		^{Christian Rosenfelder}^b.1819 d.

^{Jackob Rosenfelder}^{b.1869 Wittenberg d.}	^{Jacob Rosenfelder}^{b.1845 Wittenberg, Russia d.}

^{Katharine Rosenfelder}^{b.1874 Jacobstal, Russia d.}		^{Anna Maria Stahl}^b.1823 d.

^{Christine Rosenfelder}^{b.1877 Jacobstal, Russia d.}

^{Dorthea Rosenfelder}^{b.1879 Jacobstal, Russia d.}

^{Pauline Rosenfelder}^{b.1888 Jacobstal, Russia d.1953 Flagstaff, Arizona}	^{Anna Maria Schlenker}^{b.1848 Malojaroslowetz, Russia d.1909 At Sea aboard the Grosse}

^{Friedrich Rosenfelder}^{b.1883 Russia d.}