Gerda Christine Rosenørn, b:

^{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}




^{Knud Aleks Pedersen}^{b. d.}



		^{Unknown Rosenørn}^{b. d.}

	^{Mathias Christian Rosenørn}^{b.1879 Ringkøbing d.1946}	^{Christine Nicoline Mathilde Reimer}^{b.1836 Jydstryp, Sorø d.1906 Stege, Præstø, Danmark}

^{Gerda Christine Rosenørn}^{b. Bromme Kirke d.}		^{Vilhelm Petersen}^{b.1824 d.1878}

	^{Teodia Vilhelma Pedersen}^{b.1875 Vår Frues h, København d.1914}	^{Louise Henriette Lindegaard}^{b.1833 d.1878}