Gertrude Bauer, b: 1810 - Petersthal, Russia

^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}

^{1798 Irish revolt against English rule}
^{1804 Napoleon becomes French Emporer}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}

^{1762 Catherine II becomes Czarina/Russia}
^{1770 Cook discovers New South Wales}
^{1776 America declares independence}
^{1789 Geo. Washington 1st USA president}
^{1789 French Revolution begins}




	^{Christoph Heidenwag}^{b.1821 Odessa, Russia d.1846 Freudental, Russia}



^{Christoph Heidenwag}^{b.1845 Petersthal, Russia d.1846 Petersthal, Russia}			^Jacob Bauer^b.1755 d.

		^{Nicolaus Bauer}^{b.1782 Elsass (Alsace) d.1856 Peterstal, Russia}

	^{Gertrude Bauer}^{b.1810 Petersthal, Russia d.}		^{Paul Zechmeister}^{b.1760 Wuertemburg, Germany d.1833 Peterstal, Russia}

		^{Anna Maria Zechmeister}^{b.1787 Jgockong, Hungary d.1846 Peterstal, Odessa, Russia}	^{Rosina Bauer}^{b.1772 Wuertemburg, Germany d.1830 Peterstal, Russia}