Theodor Hertzner, b: 1874 - Hobro, Randers amt

^{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}

^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}


			^{Henning Nicolaus Hertzner}^{b.1800 d.1866 Oelixdorf, Itzehoe S.}

		^{Thimm Hertzner}^{b.1832 Schlotfeld, Itzehoe d.1890 Øls}	^{Margaretha Møller}^{b. d.}

	^{Theodor Hertzner}^{b.1874 Hobro, Randers amt d.}		^{Christen Sørensen}^{b.1801 Thorup, Simested d.1862 Guldager, Simested S.}

^{Gudrun Marie Hertzner}^{b.1899 Sct. Mortens so, Randers d.}		^{Ane Maria Christensdatter}^{b.1835 Guldager, Simested S. d.1910 Hobro}	^{Maren Nielsdatter}^{b.1808 d.1869 Thestrup}

^{Ejnar Hertzner}^{b. Living d.}

^{Aage Hertzner}^{b.1904 Randers d.1904 Randers}		^{Niels Christian Christensen}^{b.1832 d.1899}

	^{Nielsine Nielsen}^{b.1871 Hobro, Randers amt d.}

		^{Karen Kirstine Nielsdatter}^{b.1835 Vonsild so, Gislum herred d.1931}