Jan Floren de Gier, b: 1777 -

^{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}



		^{Johannes Janse de Gier}^{b. d.}

^{Maria Magdalena de Gier}^{b.1797 d.1853 Lopik, Netherlands}	^{Jan Floren de Gier}^{b.1777 d.1856 Jaarsveld, Netherlands}

^{Pieter Roelofs de Gier}^{b.1798 Lopik, Netherlands d.1872 Lopik, Netherlands}		^{Maria de Groet}^{b. d.}

^{Cornelis de Gier}^{b.1806 Lopik, Netherlands d.}

^{Johannes de Gier}^{b.1809 Lopik, Netherlands d.1868 Harmelen, Netherlands}		^{Roelof Kraijesteijn}^{b. d.}

^{Jan Floren de Gier}^{b.1813 Jaarsveld, Netherlands d.1873 Jaarsveld, Netherlands}	^{Maria Kraijestijn}^{b.1774 d.1852 Jaarsveld, Netherlands}

^{Cornelia de Gier}^{b.1816 Lopik, Netherlands d.1863 Linschoten, Netherlands}		^{Cornelia Stuiver}^{b. d.}