Jan Mensert, b: 1797

^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1919 World War I}
^{1922 USSR formed by Soviet states}

^{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}



				^Jan Mensert^{b. d.}

			^Jan Mensert^{b.1797 Delft d.1844 Delft}

				^{Jacomina Beijers}^{b. d.}

^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1919 World War I}
^{1922 USSR formed by Soviet states}

^{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}



		^Jan Mensert^{b. d.}

	^Jan Mensert^{b.1797 Delft d.1844 Delft}

^{Cornelius Mensert}^{b.1835 d.1893 Delft}		^{Jacomina Beijers}^{b. d.}

^{Johannes Mensert}^{b.1839 Delft d.1909 Delft}

		^{Cornelis Zuiderwijk}^{b. d.}

	^{Johanna Zuiderwijk}^{b.1810 Delft d.1871 Delft}

		^{Johanna Vierleers}^{b. d.}

^{1914 - 1919 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}

^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}

^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}




			^{Cornelis Zuiderwijk}^{b. d.}



	^{Johanna Zuiderwijk}^{b.1810 Delft d.1871 Delft}



			^{Johanna Vierleers}^{b. d.}

^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1919 World War I}
^{1922 USSR formed by Soviet states}

^{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}


			^Jan Mensert^{b. d.}

		^Jan Mensert^{b.1797 Delft d.1844 Delft}	^{Jacomina Beijers}^{b. d.}

	^{Cornelius Mensert}^{b.1835 d.1893 Delft}		^{Cornelis Zuiderwijk}^{b. d.}

		^{Johanna Zuiderwijk}^{b.1810 Delft d.1871 Delft}	^{Johanna Vierleers}^{b. d.}

^{Jan Hilvert Mensert}^{b.1870 Delft d.1870 Delft}



	^{Catharina Adarina van Os}^{b. d.}

^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1919 World War I}
^{1922 USSR formed by Soviet states}

^{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}


		^Jan Mensert^{b. d.}

	^Jan Mensert^{b.1797 Delft d.1844 Delft}	^{Jacomina Beijers}^{b. d.}

^{Johannes Mensert}^{b.1839 Delft d.1909 Delft}		^{Cornelis Zuiderwijk}^{b. d.}

	^{Johanna Zuiderwijk}^{b.1810 Delft d.1871 Delft}	^{Johanna Vierleers}^{b. d.}





^{Christiana Henrica van de Giessen}^{b. d.}