Catharina de Jongh, b: 1945

^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}

^{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}












^{Catharina de Jongh}^{b.1945 Den Haag d.1994 Malden}		^{Marinus Scheffer}^{b.1873 Delfshaven, Holland d.1946 The Hague, Holland}

	^{Pieternella Jacoba Scheffer}^{b.1916 Den Haag d.}	^{Catharina Polhuijs}^{b. Rotterdam d.1940 Den Haag}

^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}

^{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}










^Hugo Kers^{b. d.}

	^{Catharina de Jongh}^{b.1945 Den Haag d.1994 Malden}		^{Marinus Scheffer}^{b.1873 Delfshaven, Holland d.1946 The Hague, Holland}

		^{Pieternella Jacoba Scheffer}^{b.1916 Den Haag d.}	^{Catharina Polhuijs}^{b. Rotterdam d.1940 Den Haag}

^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}

^{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}












^{Catharina de Jongh}^{b.1945 Den Haag d.1994 Malden}		^{Marinus Scheffer}^{b.1873 Delfshaven, Holland d.1946 The Hague, Holland}

	^{Pieternella Jacoba Scheffer}^{b.1916 Den Haag d.}	^{Catharina Polhuijs}^{b. Rotterdam d.1940 Den Haag}

^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}

^{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}





	^{Jan de Jongh}^{b.1946 Den Haag d.}		^{Marinus Scheffer}^{b.1873 Delfshaven, Holland d.1946 The Hague, Holland}

^{Arjen de Jongh}^{b.1974 Den Haag d.}		^{Pieternella Jacoba Scheffer}^{b.1916 Den Haag d.}	^{Catharina Polhuijs}^{b. Rotterdam d.1940 Den Haag}

^{Robin de Jongh}^{b.1972 Den Haag d.}

^{Sandra de Jongh}^{b.1978 Zoetermeer d.}

^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}

^{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}





^{Marinus de Jongh}^{b.1950 Den Haag d.}		^{Marinus Scheffer}^{b.1873 Delfshaven, Holland d.1946 The Hague, Holland}

	^{Pieternella Jacoba Scheffer}^{b.1916 Den Haag d.}	^{Catharina Polhuijs}^{b. Rotterdam d.1940 Den Haag}