Catharina van der Heijde, b: 1936

^{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}




^{Lambert Cornelis Keizer}^{b.1960 Den Haag d.}

^{Eric Marcel Keizer}^{b.1962 Den Haag d.}

^{Sashia Trude Keizer}^{b.1965 Den Haag d.}

^{Marlies Ingrid Keizer}^{b.1967 Arnhem d.}

	^{Catharina van der Heijde}^{b.1936 Den Haag d.}		^{Marinus Scheffer}^{b.1873 Delfshaven, Holland d.1946 The Hague, Holland}

		^{Johanna Hendrika Scheffer}^{b.1898 Rotterdam d.1989 Den Haag}	^{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 van der Heijde}^{b.1936 Den Haag d.}		^{Marinus Scheffer}^{b.1873 Delfshaven, Holland d.1946 The Hague, Holland}

	^{Johanna Hendrika Scheffer}^{b.1898 Rotterdam d.1989 Den Haag}	^{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}





	^{Johan van der Heijde}^{b.1940 Den Haag d.}		^{Marinus Scheffer}^{b.1873 Delfshaven, Holland d.1946 The Hague, Holland}

^{Ronald Erwin van der Heijde}^{b.1962 Den Haag d.}		^{Johanna Hendrika Scheffer}^{b.1898 Rotterdam d.1989 Den Haag}	^{Catharina Polhuijs}^{b. Rotterdam d.1940 Den Haag}

^{Jeroen van der Heijde}^{b.1964 Den Haag d.}

^{Else (Ilse) van der Heijde}^{b.1969 Den Haag 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}





^{Johan van der Heijde}^{b.1940 Den Haag d.}		^{Marinus Scheffer}^{b.1873 Delfshaven, Holland d.1946 The Hague, Holland}

	^{Johanna Hendrika Scheffer}^{b.1898 Rotterdam d.1989 Den Haag}	^{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}






^{Annette Gerardine de Wilde}^b.1956 d.

^{Eveline Maria de Wilde}^b.1957 d.

^{Janine Catharina de Wilde}^b.1967 d.

	^{Catharina Dijkstra}^{b.1929 d.1990}		^{Marinus Scheffer}^{b.1873 Delfshaven, Holland d.1946 The Hague, Holland}

		^{Gerardina Scheffer}^{b.1894 Rotterdam d.1894 Delft}	^{Catharina Polhuijs}^{b. Rotterdam d.1940 Den Haag}