Johannes de Gier, b: 1846 - Harmelen, Netherlands

^{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}

^{1770 Cook discovers New South Wales}
^{1776 America declares independence}
^{1789 Geo. Washington 1st USA president}
^{1789 French Revolution begins}
^{1798 Irish revolt against English rule}


^{Gerrit de Gier}^{b.1877 Harmelen, Netherlands d.}			^{Jan Floren de Gier}^{b.1777 d.1856 Jaarsveld, Netherlands}

^{Antje de Gier}^{b.1878 Harmelen, Netherlands d.1878 Harmelen, Netherlands}		^{Johannes de Gier}^{b.1809 Lopik, Netherlands d.1868 Harmelen, Netherlands}	^{Maria Kraijestijn}^{b.1774 d.1852 Jaarsveld, Netherlands}

^{Antje de Gier}^{b.1879 Harmelen, Netherlands d.1886 Harmelen, Netherlands}	^{Johannes de Gier}^{b.1846 Harmelen, Netherlands d.1906 Harmelen, Netherlands}		^{Cornelis van Dijk}^{b. d.}

^{Janna de Gier}^{b.1880 Harmelen, Netherlands d.1963}		^{Janna van Dijk}^{b.1808 Lopik, Netherlands d.1890 Harmelen, Netherlands}	^{Aletta Bosch}^{b. d.}

^{Margarethus de Gier}^{b.1881 Harmelen, Netherlands d.}			^{Dirk van Beusekom}^{b.1772 d.1844 Jutphaas, Netherlands}

^{Teunis de Gier}^{b.1882 Harmelen, Netherlands d.}		^{Gerrit van Beusekom}^{b.1821 Jutphaas, Netherlands d.1894 IJsselstein, Netherlands}	^{Annigje Griffioen}^{b.1783 d.1845 Jutphaas, Netherlands}

^{Egbertus de Gier}^{b.1884 Harmelen, Netherlands d.}	^{Margaretha van Beusekom}^{b.1853 Willeskop, Netherlands d.1927 Haastrecht, Netherlands}		^{Anthonie Fredrik Kool}^{b.1790 Zijderveld, Netherlands d.}

^{Cornelis de Gier}^{b.1885 Harmelen, Netherlands d.}		^{Margaretha Kool}^{b.1821 Hagestein, Netherlands d.1859 Willeskop, Netherlands}	^{Elizabeth Ruijter}^{b.1789 Cuijlenborg , Netherlands d.}

^{Dirk Jan de Gier}^{b.1885 Harmelen, Netherlands d.}

^{Anthonius Frederik de Gier}^{b.1887 Harmelen, Netherlands d.1983 Utrecht, Netherlands}

^{Antje de Gier}^{b.1888 Harmelen, Netherlands d.}

^{Maria de Gier}^{b.1892 Harmelen, Netherlands d.}